gas is produced when iron reacts with sulphuric acid.

Hydrogen

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Oxygen

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Nitrogen

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Solution

The correct option is A Hydrogen
A metal reacts with an acid to form metal salt along with hydrogen gas. Iron being a metal will react with sulphuric acid to form iron sulphate and hydrogen gas. The reaction involved is:

$Fe (s) + H_{2} {SO}_{4} (aq) \to$ ${FeSO}_{4} (aq) + H_{2} (g)$

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