Question

1 . nitric acid is not used to prepare hydrogen gas from the metal zinc because nitric acid
a . is a weak acid
b . oxidises hydrogen into water
c . reactivity is less than zinc metal
d . oxidizers zinc into zinc oxide​

Answer 1

Answer:

b . oxidises hydrogen into water

Explanation:

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.

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Answer 2

Answer:

because it oxidises hydrogen into water..

Explanation:

Nitric Acid is a very strong oxidizing agent

It oxidizes the Dihydrogen Gas produced during the reaction with metals to Water. That is why Nitric Acid cannot be used for the preparation of hydrogen gas from the metal zinc..