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State one chemical test between each of ...

State one chemical test between each of the following pairs :
Sodium carbonate and Sodium sulphite

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Sodium carbonate when treated with dil. `H_2SO_4` will liberate colourless odourless gas with brisk effervescence. The gas will turn lime water milky and will have no effect on acidified potassium permanganate solution.
Sodium sulphite when treated with dil. `H_2SO_4` will liberate a colourless gas having suffocating smell of burning sulphur. The gas will turn acidified potassium permanganate solution from pink to colourless.
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