Question

An element reacts with hydrogen to form a compound A which on treatment with water liberates hydrogen gas. The element can be

a) Nitrogen

b) Chlorine

c) Selenium

d) Calcium​

Answer 1

Answer:

D) Calcium

Explanation:

Ca + H2 ➡️ CaH2

CaH2 + H2O ➡️ Ca(OH)2 + H2

Answer 2

Hey mate,

Calcium

An element reacts with hydrogen to form a compound A which on treatment with water liberates hydrogen gas. The element can be. Calcium.

Hope it helps...

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