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Hydrogen directly combines with...

Hydrogen directly combines with

A

`Au`

B

`Cu`

C

`Ni`

D

`Ca`

Text Solution

Verified by Experts

The correct Answer is:
d
`H_(2)` does not react with `Au,Cu` or `Ni` with `Ca` it gives
`CaH_(2).Ca+H_(2) rarr Ca H_(2)`.
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