$H_{2} S$ gas can be dried by passing through $c o n c . H_{2} S O_{4}$ .

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Solution

$H_{2} S$ is oxidised in presence of $H_{2} {S O}_{4}$ . Hydrogen sulphide gas cannot be dried using sulphuric acid as $H_{2} S$ gas is oxidised by sulphuric acid to Sulphur.
$H_{2} S + H_{2} {S O}_{4} ⟶ 2 H_{2} O + {S O}_{2} + S$
Hence, false.

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