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Q. Study of Elements of group 16? We shall discuss Group 16 elements, viz., oxygen, sulphur, selenium, tellurium and polonium. These elements are called chalcogens or the ore f
Which of the following is least soluble: (1) BeF 2 (2) NaBr (3) CaF 2 (4
Why lithium and beryllium markedly differ from other members of their respective groups?
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Because Nucleus is composed of protons and neutrons..
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Q. Illustrate Activity Series for Metals? Ans. An activity series is a series that orders substances on the basis of their reactivity. The following diagram is the activit
what is bomb calorimeter in detail?
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