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Reaction of Metals with Bases

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Question

name the following gases (i)A greenish yellow gas with pungent smell.
(ii) An oxide which is yellow when hot and white when cold.
(iii) A gas with a rotten egg smell.
(iv)A crystalline salt without water of crystallization.

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Solution

1) Chlorine gas, Cl₂
2) Zinc oxide, ZnO
3) Hydrogen sulphide, H₂S

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