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Question

Zinc metal liberates hydrogen gas on reaction with

dilute HCl, but hydrogen gas is not liberated, when zine is reacted with nitric acid. What is the reason for this observation?

A Nitric acid oxidises hydrogen gas formed in the reaction.

B Nitric acid does not contain hydrogen.

C Zinc metal reduces the hydrogen gas formed in the reaction.

D Zinc is less reactive than hydrogen.

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