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Uses of Hydrogen

Hydrogen may ...

Question

Hydrogen may combine directly with :

A

Ca

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B

Cu

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C

Zn

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D

Fe

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Solution

The correct option is C Ca
Hydrogen can easily combine with calcium to form the corresponding hydride. This is because of the high reactivity of the calcium.
Calcium is the third most reactive metal and it is more reactive than Cu, Zn, and Fe.
Thus Ca is the correct answer.

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