Sulphur dioxide reacts with to give sulphurous acid.
A
hydrochloric acid
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B
hydrogen gas
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C
water
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Solution
The correct option is C water Sulphurous acid is the chemical compound with the formula H2SO3. It is prepared by dissolving sulphur dioxide in water. S02+H2O→H2SO3 It is a corrosive chemical and breathing sulphurous acid can irritate nose and throat.