Elements

MCQ -1

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A. Chlorine B. Fluorine C. Lithium D. Iodine B. Fluorine

MCQ -2

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[{"selector":"#anim-e371b55f-19b1-4ea6-9219-7e4a82108e48","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-d93d1dd5-57b2-44e3-a4ea-ef6f41c8a6b1","keyframes":{"opacity":[0,1]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-bbc366c5-322a-449f-8c38-343b8499dc47","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-96d8a4fc-eb95-4147-b240-e8a064c40b93","keyframes":{"opacity":[0,1]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-0303c68e-eeaf-4130-9b3b-51d41abdc694","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 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A. Nitrogen B. Hydrogen C. Oxygen D. Helium D. Helium

MCQ -3

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[{"selector":"#anim-0a1eeac7-4eb1-4731-9b85-2bfe0f95bca0","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-c88c62a2-5e5a-449b-a2e0-b68f0335fbd8","keyframes":{"opacity":[0,1]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2b5b11f6-c583-41b4-b368-9a0d4d166572","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-8e7c842a-eeb7-4321-96fc-d5228a4ea9f9","keyframes":{"opacity":[0,1]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f1945463-a25d-4910-b2b6-72a048e8fa94","keyframes":{"transform":["translate3d(0px, 430.04553%, 0)","translate3d(0px, 0px, 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A. 1 B. 2 C. 8 D. 16 B. 2

MCQ -4

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[{"selector":"#anim-ea40e2a6-8b11-409f-ad5b-d3be03ab4eb9","keyframes":{"transform":["translate3d(0px, 407.59648%, 0)","translate3d(0px, 0px, 0)"]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6edae60a-832f-4ebc-8c69-7ffc1409659a","keyframes":{"opacity":[0,1]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-33e19847-d663-4b6f-bc7a-ee6e9db0060f","keyframes":{"transform":["translate3d(0px, 407.59648%, 0)","translate3d(0px, 0px, 0)"]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a10ae84b-54e4-4ff2-8c3b-d651ce2e64c9","keyframes":{"opacity":[0,1]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d4e84050-53d1-4a1f-b1ad-32292fac0b64","keyframes":{"transform":["translate3d(0px, 407.59648%, 0)","translate3d(0px, 0px, 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A. Lithium B. Sodium C. Potassium D. Caesium A. Lithium

MCQ -5

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[{"selector":"#anim-c3c4fc64-9848-4163-af80-5362d13b60d0","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-43c5cc09-6ec0-42f1-aece-239c99a0b6bc","keyframes":{"opacity":[0,1]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b2099035-7124-4ebd-9746-7487b57f221c","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-f3487754-78b9-4870-9f77-4f3895e450d1","keyframes":{"opacity":[0,1]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d956e564-1628-4fa9-83d6-e69abe0cfdbf","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-85f0e641-3cc6-4e58-a8ba-bda3e9469313","keyframes":{"opacity":[0,1]},"delay":13500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-cd49342b-6a68-4d78-827c-63a6c53d29b2","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-1cdec923-37e0-49d2-8da4-4aaa8fa4fde1","keyframes":{"opacity":[0,1]},"delay":14500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-bca781ff-3525-4033-b8a0-8f1425e48d97","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 is responsible for the anomalous behaviour of lithium in the periodic table? A. High melting point B. Exceptionally small size of its atom and ion C. High reactivity D. Low ionisation energy B. Exceptionally small size of its atom and ion

MCQ -6

[{"selector":"#anim-db2c70c3-8c3a-4ef8-a7d4-0775b322de9c","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-98987cac-d562-4e4b-b53d-caf2a624b294","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-1eacb7a2-e11f-4520-89ff-b5fdddef710d","keyframes":{"opacity":[0,1]},"delay":1000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-cacf079d-fba7-4a68-b9a9-17432b38e880","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-f0ee5a03-230c-4813-891e-b735ee98d75c","keyframes":{"opacity":[0,1]},"delay":2000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b0e367e3-ef1e-4b1c-995b-92eac66b5954","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-7eed96b0-b559-4348-aa94-cff6a5f031a8","keyframes":{"opacity":[0,1]},"delay":3000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-0dc3b72b-97e1-4043-aa3d-74b5d157892c","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-3dff649e-8c9f-46d3-b091-ffc75794f41e","keyframes":{"opacity":[0,1]},"delay":4000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b5bce4be-6caa-4d7f-a79b-8fd86058f8c1","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 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[{"selector":"#anim-5a06e47f-0d39-4e87-9b87-047a970e5780","keyframes":{"opacity":[0,1]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-81f7f6dc-965e-4775-aa58-0aeddf2b2df6","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-f3f7e24c-def9-4b64-a0d2-d5f9dfe66bde","keyframes":{"opacity":[0,1]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1869e278-8180-4f19-a421-26053c3511c6","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-718380ee-35de-4b85-97c3-9b5361a47449","keyframes":{"opacity":[0,1]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5c6e6330-4888-401d-a9c4-13121fc1cd93","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-30b454ba-ea3d-44de-b457-e178671a73c4","keyframes":{"opacity":[0,1]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-051b0e9f-ce4a-4684-9337-a39aa800bcb9","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-3d266648-abea-40ef-8881-092e2d2f5dc9","keyframes":{"opacity":[0,1]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-36d7a3c3-574e-41c2-8346-1c9698d6924b","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-95c957fa-8f75-4ff4-aa90-ddaf2d28ef12","keyframes":{"opacity":[0,1]},"delay":13500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-886bf3e1-e4ef-429c-b22d-93d36d73a3ba","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-01f52c65-8e9a-49b9-b384-108d709c570f","keyframes":{"opacity":[0,1]},"delay":14500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ed3a5dd4-4802-47dc-beec-cde4167d63ea","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 statements about alkali metals is correct? A. Lithium is the most powerful reducing agent. B. Sodium is the least powerful reducing agent. C. Potassium is the most inert metal. D. Rubidium is the most abundant alkali metal. A. Lithium is the most powerful reducing agent.

MCQ -7

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[{"selector":"#anim-2f88cf36-0912-4e84-b758-d8d585e3fc20","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-af3cc73c-4153-432e-983d-9da67d432a2c","keyframes":{"opacity":[0,1]},"delay":3000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5586862f-a278-4f31-a3b3-ca6c6a18535e","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-4b5a0b0f-3a84-4f5d-a5e4-288d38445f38","keyframes":{"opacity":[0,1]},"delay":4000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-da1eea00-b020-43d7-b471-550a793a1d08","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 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[{"selector":"#anim-202c77d8-9f9d-4989-a36c-c665a843ef58","keyframes":{"opacity":[0,1]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-fdfa0444-bb15-4f4a-8c14-5530d49d15b9","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-1a57fabd-4e7c-449c-9fca-2c8e041fb527","keyframes":{"opacity":[0,1]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-120422c1-86f7-4633-b30e-07d9c78c44bf","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-83d8f806-4db6-4f85-836a-73bc9e9922fe","keyframes":{"opacity":[0,1]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-df35d22a-61e0-4d69-8f82-7cf59ecd21b8","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-d9cf91aa-ffa5-4992-9531-e774d796cc41","keyframes":{"opacity":[0,1]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9760c275-bd7d-4cd4-b773-8312be202d26","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-ec5e6221-d1c4-4bf3-8e45-e6040456065e","keyframes":{"opacity":[0,1]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e2e0433a-3421-4487-8c5e-b1016737a7a0","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-f4ee6142-84b7-4989-8138-fd768a1e46b0","keyframes":{"opacity":[0,1]},"delay":13500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-7f7169b2-2545-47fa-be56-9df075705f17","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-dd3a3bd2-150e-4866-9516-70b399fc4202","keyframes":{"opacity":[0,1]},"delay":14500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-368539bf-b3b5-4abe-990e-aa170b6da424","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 atomic number of Barium? A. 54 B. 56 C. 58 D. 60 B. 56

MCQ -8

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[{"selector":"#anim-bf0f03dd-bdbf-411a-b266-204240be9aad","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-31ffb0ef-f71d-4202-8a5b-437cd45a1a42","keyframes":{"opacity":[0,1]},"delay":3000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-33de00da-13de-4575-a6b0-b795429ed43d","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-0a346fe9-1c2e-4f6c-afe5-068b6490db86","keyframes":{"opacity":[0,1]},"delay":4000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a1040a6a-ca09-402d-b1de-748de17a16bc","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 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[{"selector":"#anim-ce405314-d543-4272-9ceb-f9f8e7132b43","keyframes":{"opacity":[0,1]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1b1341c6-c7ed-4625-bd2e-691014024483","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-6550b8a4-882f-4d9a-9830-9871f48a70e0","keyframes":{"opacity":[0,1]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c7d477cd-e16c-437a-8d6f-481bbb438187","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-5e6ae4d5-ae40-495a-9d26-dee7ae13f11d","keyframes":{"opacity":[0,1]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2c91be0f-10fe-4f6f-a644-1574f83154d6","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-0e794993-1bbb-4175-a9a7-3a03b5dece70","keyframes":{"opacity":[0,1]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d3171ab2-d466-4dd6-a7cd-ab242601ea96","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-6214c315-5989-4dfb-9ad5-7c926f9994e9","keyframes":{"opacity":[0,1]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b908c3fe-5613-44ff-9679-512a66a89672","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-7b5e42ce-03ae-4d99-8cd0-312724744baa","keyframes":{"opacity":[0,1]},"delay":13500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-986c9855-e57f-440f-a3fb-d18789f0f3c4","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-e250ff24-c1ac-4ef8-b678-b1e998bea8cb","keyframes":{"opacity":[0,1]},"delay":14500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2fcc85aa-4269-4d9b-83cb-eda810f705e5","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 elements has the highest first ionisation enthalpy? A. Magnesium B. Strontium C. Beryllium D. Barium C. Beryllium

MCQ -9

[{"selector":"#anim-5b3e9ae5-15fb-4597-88a1-79787420c09c","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e5cde5b6-e14a-4f2b-8ba3-6598b55279e5","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-0d2c8337-4e7c-4f49-8e95-a98390929d49","keyframes":{"opacity":[0,1]},"delay":1000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-43e6f842-1f77-48d8-91c7-56791c009746","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-ca323fb3-9403-4af3-8d1f-97a9599ea905","keyframes":{"opacity":[0,1]},"delay":2000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1c253ebd-4615-4f9b-9891-e774dac8fa88","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-3bf30fd8-af2a-49d8-b365-1e8aeb1d7579","keyframes":{"opacity":[0,1]},"delay":3000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d91e0347-ec4b-4414-8762-c0fe990f04fb","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-0782135d-4c4e-4336-b649-8972c795ef5f","keyframes":{"opacity":[0,1]},"delay":4000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f10d498b-5640-40fd-be74-91524257ca14","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 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[{"selector":"#anim-687f0d1d-7036-4e84-8cf7-348b368b657d","keyframes":{"opacity":[0,1]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-81fe8a77-9d79-44c7-9d32-a20974ed04e5","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-b577bf49-999d-4bee-8866-80a7a42de961","keyframes":{"opacity":[0,1]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-889e7498-5306-4661-ae6d-dd4952cb4440","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-fd91e6e9-dac2-497f-b3d3-4ced73ec12bc","keyframes":{"opacity":[0,1]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-80fa86b1-688b-45bd-bbb9-af417b23fa91","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-c6083d8b-fb27-43e8-8740-4eb12ed3f35b","keyframes":{"opacity":[0,1]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2bf6f767-dbb3-407e-90d9-96c7e385eda9","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-d498bf62-7553-4652-af1f-73d0f44d7bed","keyframes":{"opacity":[0,1]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-dbcd9c59-417f-406a-9b9b-99aa4637fa0d","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-83ea5e0b-fb01-4b17-8f09-429061e47517","keyframes":{"opacity":[0,1]},"delay":13500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-35ccf3d0-c2f2-4a8d-a7cd-488e9f931df4","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-40b96aef-1a27-4188-b2d5-9c8e5f1d31a0","keyframes":{"opacity":[0,1]},"delay":14500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b89190ee-f196-49a2-92c7-002ba2473b23","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 is the use of washing soda? A. Softening of water B. Manufacture of glass C. Manufacture of paints D. All of the above A. Softening of water

MCQ -10

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[{"selector":"#anim-241dee6a-d7e8-4944-9495-fd8169ad4ece","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-978e1a12-7713-43d6-a288-5c7554c5c915","keyframes":{"opacity":[0,1]},"delay":3000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-45cc560b-c13e-4d97-bbf0-4fc7593f01e8","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-c8805f8d-3d02-4411-9209-3a918474c4b6","keyframes":{"opacity":[0,1]},"delay":4000,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-fbc73afa-a733-4fa4-a6c7-141d14b082f6","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 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[{"selector":"#anim-f97a2541-4463-4a0d-81ca-29dca985c25d","keyframes":{"opacity":[0,1]},"delay":8500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ecb6fbd6-440d-4e90-8415-f7362fc01a1a","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-80cb31b5-384c-43ed-8a88-3571e66e0779","keyframes":{"opacity":[0,1]},"delay":9500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4ff45cf5-630b-4323-b948-7cf27e0b0d59","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-540000e1-cf61-45f6-ae97-b6b23edf8d10","keyframes":{"opacity":[0,1]},"delay":10500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2c553677-1ac9-443e-9d6b-5240486c487d","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-cdca2dab-b110-4a4a-a918-1127fd4c9614","keyframes":{"opacity":[0,1]},"delay":11500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-59a68ecd-c0e5-4997-b335-e134681a6f76","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-7a501a78-eaca-4a72-be5e-94714876dd57","keyframes":{"opacity":[0,1]},"delay":12500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-499b6480-d724-45a2-8c4e-c33d89aa912b","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-6b9b1d0a-0da0-45cd-97f3-35e33da6979f","keyframes":{"opacity":[0,1]},"delay":13500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6a5dab1e-eb63-496f-aa7b-493d577f35f2","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-1ae0ad36-3dea-49cd-bc5e-93838100bc07","keyframes":{"opacity":[0,1]},"delay":14500,"duration":200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d471d508-f7e4-4253-a012-81352b6b9e1a","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 general electron configuration of all alkaline earth metals? A. ns¹ B. ns² C. ns² np6 D. None of the above B. ns²

[{"selector":"#anim-424a04c8-e5ac-423e-825b-a7152afd453c","keyframes":{"transform":["rotate(-540deg) scale(0.1)","none"],"opacity":[0,1]},"delay":0,"duration":2000,"fill":"both","iterations":1}] [{"selector":"#anim-1c09a9ed-9e88-4707-b549-f1c06c9330b7","keyframes":{"opacity":[1,1]},"delay":0,"duration":4000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-342dbeed-ed48-492b-86e9-433a30790434","keyframes":{"transform":["scale(3)","scale(1)"]},"delay":0,"duration":4000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Swipe Up....

Elements

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