Question

1.3Copper sulphate and alum are separated by a process of ........a) filtrationb) distillationc) fractional crystallisationd) chromatography​

Answer 1

Answer:

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(C) Fractional crystallization

Explanation:

Both copper sulphate and aluminium sulphate have almost equal, high solubilities in water though the potassium salt is comparatively less soluble. Hence, the copper salt cannot be separated from the mixture by fractional crystallization

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