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Among CaH(2),NH(3), and B(2)H(6) which a...

Among `CaH_(2),NH_(3),` and `B_(2)H_(6)` which are covalent hydrides?

A

`NH_(3)` and `B_(2)H_(6)`

B

`NaH` and `CaH_(2)`

C

`NaH`and `NH_(3)`

D

`CaH_(2)` and `B_(2)H_(6)`

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The correct Answer is:
A
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