Question
Distinguish between the following (using ammonia solution) Sodium sulphate and ammonium sulphate.

Answer

$(NH_4)_2SO_4$​​​​​​​ on warming with $NaOH$ sol. gives $NH_3​​​​​​​$​​​​​​​ gas. Sodium sulphate does not liberate $NH_3$​​​​​​​ gas.

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