Sulphur dioxide reacts with to give sulphurous acid.

hydrochloric acid

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hydrogen gas

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water

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Solution

The correct option is C water
Sulphurous acid is the chemical compound with the formula $H_{2} S O_{3}$ . It is prepared by dissolving sulphur dioxide in water.
$S 0_{2} + H_{2} O \to H_{2} S O_{3}$
It is a corrosive chemical and breathing sulphurous acid can irritate nose and throat.

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