Write your question here (Keep it simple and clear to get the best answer)why is nitric acid not used in preparation of hydrogen
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Nitric acid not used in the laboratory preparation of hydrogen. This is because nitric acid is a strong oxidising agent, and oxidises hydrogen gas to convert it into the water.
While dil. sulphuric acid and dilute hydrochloric acid do not oxidise hydrogen into water hence preferred for the preparation of hydrogen gas.
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