Important Chemical Scientists

MCQ -1

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[{"selector":"#anim-64c1bf85-7223-44e9-8cf2-6d43a59a675b","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":2000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c5996a14-3e18-412f-9b1f-4b4b51bbf80b","keyframes":{"opacity":[0,1]},"delay":3000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-dac6f5d7-fa11-4772-a404-52403b115ce2","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":3000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-856bb930-3e24-41fe-bf4a-db6ef53f54dd","keyframes":{"opacity":[0,1]},"delay":4000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d8a10e77-8ddd-4d0f-ba10-697d9d697080","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 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[{"selector":"#anim-b5054bd4-dccc-4fa1-9b74-78ed28e43b0e","keyframes":{"opacity":[0,1]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d697c1b3-5596-460a-ba31-36ae12fa8175","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5c6a057c-c002-44b1-9e74-0438864962d5","keyframes":{"opacity":[0,1]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6c477f99-8112-4e21-95e7-ec52ea0e8969","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-20f4411a-b04f-4a89-9ec6-fd38b54cd7b5","keyframes":{"opacity":[0,1]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-45fa321e-d4da-4ce9-b92c-449fbb35c8a8","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-0907742c-447f-4845-9f3f-fca0de7d8330","keyframes":{"opacity":[0,1]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9b7a942d-508a-4d79-a5c5-db0ec375aeba","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-7fc6d986-9af6-497e-aab5-b8616ddd8843","keyframes":{"opacity":[0,1]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-35d8b5e7-5ab4-4283-8231-8928f2129cee","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 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concept of which of the following? A. Amino Acids B. DNA C. RNA D. Vitamins D. Vitamins

MCQ -2

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[{"selector":"#anim-fe604365-079c-4633-a8a9-4f2b0f2c8943","keyframes":{"opacity":[0,1]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-8673be87-d566-49d9-aa48-b471785f9eda","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2b4a5923-b0d7-4881-a716-9cf73280d52b","keyframes":{"opacity":[0,1]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4422e764-2331-4b5d-8dd6-2ee281c3a444","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5dfd5462-7022-4600-aed9-8ed6f06fa036","keyframes":{"opacity":[0,1]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-cbae47fb-7067-4d11-a879-2e17847d18f4","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d511dd5b-d33a-464b-8d38-02d8661f9f56","keyframes":{"opacity":[0,1]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3f3e3621-244e-4004-a7bb-6059074e8581","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6c3db466-8931-47ff-8379-3827631d8912","keyframes":{"opacity":[0,1]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d8431c48-25fb-4e3b-9147-bb3c10617f65","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c7459d00-50b6-457b-872c-c6f4bcb8a8b4","keyframes":{"opacity":[0,1]},"delay":13500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-108973fc-073d-4cba-aa8c-d0ddc1084950","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":13500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-adbf9a61-575e-43f7-af63-5d20c06a1208","keyframes":{"opacity":[0,1]},"delay":14500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-13059679-f60d-4ce0-a67a-5a048378490e","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":14500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] What is the name of the female from the Mesopotamian Civilization who is also known to be the world's first recorded chemist? A. Berossus B. Tapputi C. Abba b. Martha D. Gobryas B. Tapputi

MCQ -3

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[{"selector":"#anim-5bed820c-9635-4e3d-a9a6-b2ca3b506643","keyframes":{"opacity":[0,1]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-04629bfe-331a-4e14-aa97-6185cad90ab7","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e740d9d7-c8c0-4f2c-80b7-e4262fbf5c14","keyframes":{"opacity":[0,1]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4e1064d2-6b01-40d9-bd24-aba0e7e06885","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d63f30e2-306b-4658-bdbd-eedc0ffc03f7","keyframes":{"opacity":[0,1]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b9df30f3-f498-44fa-b191-028d6b8e41e4","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e12d047e-4b7a-4d6d-8920-7c3dc616dc75","keyframes":{"opacity":[0,1]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6809f5e9-9a66-4f36-be25-48a05326b597","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9eceb3cb-397a-425e-9b2c-9948a557787e","keyframes":{"opacity":[0,1]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e555b50c-0665-4c31-b2e5-d0c253a5b15a","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a4f70ac9-58f7-49f8-ba29-3f01bfb99f20","keyframes":{"opacity":[0,1]},"delay":13500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-fa7b0763-7586-45b5-94ad-208f29ba9d42","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":13500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-073a380e-f8c0-403b-bc98-5f1242c7bffd","keyframes":{"opacity":[0,1]},"delay":14500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-cfeaf893-0a1d-4b03-a8c6-e20d691b3342","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":14500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Who is the author of the book "The Sceptical Chymist" that made a distinction between chemistry and alchemy and marked the beginning of modern Chemistry? A. Oswald Croll B. Edward Dyer C. Georg Brandt D. Robert Boyle D. Robert Boyle

MCQ -4

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[{"selector":"#anim-63037e77-9dd6-43c6-a08d-c8b54706af2c","keyframes":{"opacity":[0,1]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-fa4b1658-1fe5-4901-b07c-a12bea3d805d","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ffd16184-e715-4c9f-9780-a293cbcdc663","keyframes":{"opacity":[0,1]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d6563fe0-dfcb-4709-befc-fd48dede25b5","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-59472a7c-d87d-4fcb-964d-f6358cb32127","keyframes":{"opacity":[0,1]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-8cc7ecf6-ecd0-4e32-b90e-5480b847536c","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d2884437-d7aa-4281-9dbf-1d7e5cd95835","keyframes":{"opacity":[0,1]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-960c2591-5b9c-4492-b54c-46bb46191fe8","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-738a1182-79c5-4e6b-9417-a2aceb08e21f","keyframes":{"opacity":[0,1]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-33515288-ce1e-4287-90d5-8e7b6dc46dfe","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-971113d3-2fcb-4898-a77d-012ca6b69d78","keyframes":{"opacity":[0,1]},"delay":13500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-fe947272-6e49-4efc-ad3d-e95dd9feadd4","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":13500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f6be2318-138f-47f2-b9c8-5f519d00c10a","keyframes":{"opacity":[0,1]},"delay":14500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-bf62eb43-690d-4f6a-b784-b6b9228590a5","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":14500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Which of the following gases were called Fixed Air by the Scottish physician Joseph Black, which was discovered in the 1750s? A. Oxygen B. Carbon Dioxide C. Methane D. Nitric Oxide B. Carbon Dioxide

MCQ -5

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[{"selector":"#anim-076e17ed-7a70-443d-afb6-127d03097e84","keyframes":{"opacity":[0,1]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-11784cd3-c7c6-4235-b168-a7f77b6324c1","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ddfef03d-ff9b-4e6e-93a9-5099e6a68cc2","keyframes":{"opacity":[0,1]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-567c9ea4-04b8-43eb-8650-b33e452fa370","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4d192c96-b6c9-4736-80ba-47834cd42bb5","keyframes":{"opacity":[0,1]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b77e3ec1-3deb-436a-8e59-dafabe08f754","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f07acede-a4ae-4a70-b544-8e6d53ec64f8","keyframes":{"opacity":[0,1]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1784946e-dffe-4485-b5de-ab8efaba6d19","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-bbf3009d-06e1-45d2-9d2a-f4f27e9d9b99","keyframes":{"opacity":[0,1]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-528f7aef-0a31-4bef-918d-6fea5f21895b","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1522cd40-942f-4917-9d40-a44e94ede01c","keyframes":{"opacity":[0,1]},"delay":13500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d71f1296-0eb9-4d9d-846e-d74f1c60ca4a","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":13500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c11ff7af-af25-41d6-aac1-44d6a079989f","keyframes":{"opacity":[0,1]},"delay":14500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e83ab3b3-04ec-4fbb-8867-e2cc3981662f","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":14500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Which of the following chemists helped to develop the notation for writing chemical formulas? A. Amedeo Avogadro B. Jons Jacob Berzelius C. Marie Curie D. Robert Boyle B. Jons Jacob Berzelius

MCQ -6

[{"selector":"#anim-c2cd05f9-9a9d-4bf9-85b7-ede7f2475995","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6d62b011-0d15-4c2a-af2a-7af30788a52c","keyframes":{"transform":["translate3d(0px, -215.1356%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-22d7eb70-f112-42d5-a299-e05bb4064b3f","keyframes":{"opacity":[0,1]},"delay":1000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2fdfcd84-b68c-4de1-a553-105ee0cf71b6","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":1000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c6e6c821-84f0-46e1-9d59-61861c9b1837","keyframes":{"opacity":[0,1]},"delay":2000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5c4fc4bd-7f43-4af0-9d76-c4570d73a6e3","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":2000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-06a36fff-d574-4237-bd52-7144ff014de7","keyframes":{"opacity":[0,1]},"delay":3000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-be1e1edd-aa62-4133-8912-b37cc4b4597c","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":3000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-79464f37-4778-4ed0-96d2-59925a24f033","keyframes":{"opacity":[0,1]},"delay":4000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-56c65fec-f061-483b-9471-9f3060078afa","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 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[{"selector":"#anim-f4fb86db-1985-49f3-a78e-000d5b6bcffb","keyframes":{"opacity":[0,1]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-71d0e0f1-95b5-46ac-bc5e-abbadbb9220f","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-11e58f93-20ed-498d-957b-d14a0a0c1298","keyframes":{"opacity":[0,1]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d301541a-83dc-44a5-9934-4b1ec12320b6","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-baacf79a-391d-466c-b45b-d5b801d39583","keyframes":{"opacity":[0,1]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d7b6a542-8f11-487c-9092-e82d8b61003a","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ebd6e619-5d7b-4d77-aba7-09b6fc2d7c47","keyframes":{"opacity":[0,1]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d0b74e78-3475-444d-9e63-e202d91a559c","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b0b35840-2be9-4691-b904-10d48691d9cb","keyframes":{"opacity":[0,1]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6c01c555-01bf-4b48-bd6d-92ea9b0b268d","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c1c801fc-c8db-473a-a748-0eb5eb4abea5","keyframes":{"opacity":[0,1]},"delay":13500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4ada3fe2-75a1-4890-8863-da1e074cbabd","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":13500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-17739bd5-f7fb-4211-a1e1-f8675673018e","keyframes":{"opacity":[0,1]},"delay":14500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-75d7c65e-37c0-4d49-90df-01c5f5e50f5e","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":14500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] The principle that equal volumes of all gases contain the same number of molecules when under the same conditions of pressure and temperature was given by? A. Dmitri Mendeleyev B. Jons Jacob Berzelius C. Amedeo Avogadro D. John Dalton C. Amedeo Avogadro

MCQ -7

[{"selector":"#anim-77284f52-4e12-4084-8b85-f4444c59dcaa","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3ac9e54d-491a-4e83-aa0a-5984ca649329","keyframes":{"transform":["translate3d(0px, -361.11103%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-07841c19-09b4-4ca9-b7e0-b295951be8ec","keyframes":{"opacity":[0,1]},"delay":1000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-04c9f20c-677a-4de0-8398-be271184cc85","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":1000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-35136518-1424-471f-872a-1dc3aad58a04","keyframes":{"opacity":[0,1]},"delay":2000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2d71752c-bbbf-4ce5-bc5d-37f38a10d52f","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":2000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-50f4917a-8cef-4932-9a02-79a925ce3a66","keyframes":{"opacity":[0,1]},"delay":3000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-03d9044d-edea-4ea8-b018-d8e29cbcedd8","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":3000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e03af4a2-77cf-4abf-bed9-a019a9df3f20","keyframes":{"opacity":[0,1]},"delay":4000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-212fe7b8-b252-4a6c-b9c6-bd1ec072d635","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 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0)","translate3d(0px, 0px, 0)"]},"delay":5500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-35b3ba8a-5f58-4bdb-92da-9cd4f32bca38","keyframes":{"opacity":[0,1]},"delay":6500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3f464133-e5c9-4222-9c3e-2af0c6663ff2","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":6500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1d517595-d491-48b0-83ee-96a00282d39b","keyframes":{"opacity":[0,1]},"delay":7500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-7c171498-8c51-4535-9bb4-c8afe4ef74f1","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":7500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f8ab555c-4e2d-48a2-9a33-1cab50ae5146","keyframes":{"opacity":[0,1]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-12c0c059-7a57-4e36-9551-06dfbe36683f","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-42eed257-9752-475f-bfa8-1fcbfa44a982","keyframes":{"opacity":[0,1]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-99560a8c-c89f-497a-b9fe-1d65a912eb3a","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e8a90454-aec7-487f-9f09-8dcf69b84b5f","keyframes":{"opacity":[0,1]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f4fb40f2-c15f-4873-ab8b-67fecb0bbb38","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-86fef19d-dcc4-430a-af0c-b214db03f533","keyframes":{"opacity":[0,1]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b0d41003-1fbe-4972-bbce-67147e3bf230","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c1b68925-3fb8-4e23-8405-a8072ff28336","keyframes":{"opacity":[0,1]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9d3b8021-0d9e-4232-8074-656102920a6a","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-8405f4a7-8f52-4a2e-8ecd-f5cb1a6d531f","keyframes":{"opacity":[0,1]},"delay":13500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d785d158-313c-43d1-a4de-242c57d503d5","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":13500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-89dbbea8-50ba-4b5f-ad7d-ce5741f1dafd","keyframes":{"opacity":[0,1]},"delay":14500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-971ccf7c-3c42-42fa-b5e1-f4ee52ea6279","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":14500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Which two elements were discovered by Marie Curie? A. Polonium and Radium B. Radium and Strontium C. Strontium and Radon D. Radon and Polonium A. Polonium and Radium

MCQ -8

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[{"selector":"#anim-51b50f51-bde1-4ff0-b706-58f334f6a88a","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":2000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-dc0d330d-5a02-4a6f-93d6-8dc9dc5ce1ea","keyframes":{"opacity":[0,1]},"delay":3000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a15234a3-4671-48bc-a5a4-091e8f740638","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":3000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d4a79ed6-431c-4382-876d-b72742693b86","keyframes":{"opacity":[0,1]},"delay":4000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-56517d6a-8b4e-4070-9012-0e90b8df791b","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 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[{"selector":"#anim-64070e2c-3a36-40e3-a722-051c3f5ee2c5","keyframes":{"opacity":[0,1]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-94f248c5-8f43-4d01-bd59-f450b4aafeec","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-02222e32-dd6a-4f5e-9607-5ed485aa6640","keyframes":{"opacity":[0,1]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-34d0041e-8779-4212-aedf-32853d66c32c","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-7ec22be1-e717-4ede-a91d-f699d4c48371","keyframes":{"opacity":[0,1]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c37c4eb0-d999-4c32-af8f-a4115e52ab32","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-53edf1f7-912b-40e3-8f54-e24570669080","keyframes":{"opacity":[0,1]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-975f5ebb-f288-4c01-9e36-9422ebdb1aa8","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-25675db8-8d31-44d6-b585-14b548aca21c","keyframes":{"opacity":[0,1]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9c226f5d-c1bf-4145-a243-c2bc7a4c8a6d","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2b7c03bd-2e34-44b4-8610-9d880344c2fd","keyframes":{"opacity":[0,1]},"delay":13500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-cd1dfc62-0cdb-4967-897a-26c6587a3956","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":13500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d490e0b0-50c3-4849-8b78-206aa14630c5","keyframes":{"opacity":[0,1]},"delay":14500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9ce8547d-1b7a-45a1-9802-78c7088529dc","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":14500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Which of the following scientists is known for using electrolysis to isolate and discover many elements? A. Humphry Davy B. James Burrow C. John Pringle D. Davies Gilbert A. Humphry Davy

MCQ -9

[{"selector":"#anim-c8d871ae-3e66-4101-a0f6-42221e822d1f","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3dfe1ec8-32fd-4c24-9404-1575c2c8d716","keyframes":{"transform":["translate3d(0px, -285.09141%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-744d1da0-1c9e-4df2-8bc7-ce761d4adf8a","keyframes":{"opacity":[0,1]},"delay":1000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a3aa96d1-7899-47e6-8193-894e839c21ed","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":1000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4151286b-ba94-4a01-b9ed-cdd55c92035d","keyframes":{"opacity":[0,1]},"delay":2000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-80782441-645c-48da-b7c3-a7f1571206a0","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":2000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d25d7cfc-30e0-4012-9a0f-68e2fef76e68","keyframes":{"opacity":[0,1]},"delay":3000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3301eeb2-14bd-4e74-8787-9df4b3bc1f88","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":3000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d4f37389-bf9c-4091-9801-7f7ef3023e9e","keyframes":{"opacity":[0,1]},"delay":4000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-712d538a-2525-4129-9b19-1f060b532c6f","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 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[{"selector":"#anim-1491633b-fa52-4b4c-86a5-376a37142b0d","keyframes":{"opacity":[0,1]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6b13bc33-db95-48eb-a3bf-249f2dae82bd","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ea8ccdbd-3a8e-4522-b857-e497ca6be580","keyframes":{"opacity":[0,1]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c3b614d9-5bbb-4125-be38-295f2973d461","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-efa6c640-1d4f-4d65-80f7-ae3c2b016ad6","keyframes":{"opacity":[0,1]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c62e49a0-6baf-4d29-b452-84091b1b0afd","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-220946ee-2bde-4614-b814-03d0448db29a","keyframes":{"opacity":[0,1]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b2d96f89-80d3-47a0-9cda-9bd8ce24d9ca","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-014ca2f1-4756-4e67-b329-9025bcc2dbdf","keyframes":{"opacity":[0,1]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1600138c-4c28-4f3c-a5ce-8c9401edcc70","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 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A. Discovery of Virus B. Discovery of Uranium C. Discovery of DNA Double Helix D. Discovery of Photosynthesis C. Discovery of DNA Double Helix

MCQ -10

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[{"selector":"#anim-280dd630-8d82-43bf-9a5d-f578959ce699","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":2000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-039e40ef-2fa6-4a61-9e0b-e1e5707024ad","keyframes":{"opacity":[0,1]},"delay":3000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-8ac4a4fe-0a34-4ebc-8690-d8511d1644dd","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":3000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4a0557ad-a5fa-4573-9930-20743f65f99f","keyframes":{"opacity":[0,1]},"delay":4000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3862f672-7c72-455a-b157-06895eba2cfb","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 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[{"selector":"#anim-06a2bb86-6ad7-4bd8-8801-f740b6c99cf9","keyframes":{"opacity":[0,1]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-8c49f017-8b97-444e-bd94-f0656e1ca973","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2e019071-c3fb-481e-a921-0b5270b5989b","keyframes":{"opacity":[0,1]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4a3aec68-06cf-4ef2-9ff3-b3a3d55bf0b7","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-764eef80-a97c-4d3a-a62d-fbb7a9bd5a87","keyframes":{"opacity":[0,1]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b742683d-c573-4f9e-ac15-e95f619ac034","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c3df2633-1e8d-4786-8a0b-7ee735918da8","keyframes":{"opacity":[0,1]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9c25b03d-a99a-4bd5-a83e-1a66433b3b44","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-16f4767d-e5e0-4f1b-9e2b-57f2d30f8b31","keyframes":{"opacity":[0,1]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-67f770a2-d868-4740-8810-5b7cd71d138f","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ec98bb94-70a5-45ee-b733-100adedd103f","keyframes":{"opacity":[0,1]},"delay":13500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2bf587e0-c91f-43b1-b9c1-4d476a548a1f","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":13500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-15fc7101-6db2-499f-be14-437025894072","keyframes":{"opacity":[0,1]},"delay":14500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-bed43b02-e08d-4b9a-9f33-362e65f9fca7","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 0)"]},"delay":14500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Who gave the law of conservation of mass? A. Dalton B. Boyle C. Lavoisier D. Berzelius C. Lavoisier

[{"selector":"#anim-f2120bd9-6ca8-474e-9b67-5f461f910745","keyframes":{"transform":["rotate(-540deg) scale(0.1)","none"],"opacity":[0,1]},"delay":0,"duration":2000,"fill":"both","iterations":1}] [{"selector":"#anim-3cd00b94-1f82-43f5-aee2-9767159649fc","keyframes":{"opacity":[1,1]},"delay":0,"duration":4000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-fc1df03a-c154-414b-a917-ad6033a25adc","keyframes":{"transform":["scale(3)","scale(1)"]},"delay":0,"duration":4000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Swipe Up....

Important Chemical Scientists

mcq test

MCQ -1

10

10

09

09

08

08

07

07

06

06

05

05

04

04

03

03

02

02

01

01

MCQ -2

10

10

09

09

08

08

07

07

06

06

05

05

04

04

03

03

02

02

01

01

MCQ -3

10

10

09

09

08

08

07

07

06

06

05

05

04

04

03

03

02

02

01

01

MCQ -4

10

10

09

09

08

08

07

07

06

06

05

05

04

04