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An element reacts with hydrogen to form ...

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.

Text Solution

Verified by Experts

The correct Answer is:
D
`Ca+H_(2)toCaH_(2)overset(2H_(2)O)toCa(OH)_(2)+2H_(2)`
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