Question

Na,K and Ca metals form hydrates by combination with hydrogen gas,but most other metals donot ,give reason
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Answer 1

Na,K and Ca metals form hydrates by combination with hydrogen gas,but most other metals donot ,give reason

Na,K and Ca metals form hydrates by combination with hydrogen gas,but most other metals donot ,give reason

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Answer 2

Answer:

(a) Metals like Na, K and Ca can force the hydrogen atoms to accept electron given by them and form hydrides.

(b) Aluminium though easily combines with oxygen to form aluminium oxide, but the oxide which is formed is protective oxide layer. Hence, used for making utensils.

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