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A compound (A) gives brick red flame and...

A compound `(A)` gives brick red flame and breaks down on heating giving oxygen and brown gas. `(A)` is

A

Ca and `CaH_(2)`

B

Na and `Na_(2)O_(2)`

C

K and `KO_(2)`

D

Ba and `BaO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
1
Ca and `CaH_(2)` both react with water to give hydrogen
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