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Question
Making use only of substances chosen from those given below:
(Dilute sulphuric acid, sodium carbonate, Zinc, sodium sulphite, Lead, calcium carbonate)
Give the equation for the reaction by which you could obtain sulphur dioxide.
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Solution
\[\ce{\underset{Sodium Sulphite}{Na2SO3} + \underset{Dil.sulphuric acid}{H2SO4}-> \underset{Sulphur dioxide}{Na2SO4} + SO2 + H2O}\]
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