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Question

When a metal reacts with HNO3, hydrogen gas is not evolved because

A
HNO3 oxidises H2 produced to H2O
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B
HNO3 gets reduced to any of the nitrogen oxides
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C
HNO3 is a strong oxidising agent
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D
All of these
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Solution

The correct option is D All of these
Nitric acid is a strong oxidising agent. When a metal reacts with nitric acid, it oxidises the hydrogen formed to H2O and it reduces itself to its oxides.

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