Question

which process can purify the impure sample of potash alum

Answer 1

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➡️ The potash alum dissolve the sample in distilled water and remove the insoluble impurities by filtration.

➡️ This solution is concentrated to the crystallisation point and cooled.

➡️ Colourless transparant crystals of potash alum separate.

Answer 2

➡️ The potash alum dissolve the sample in distilled water and remove the insoluble impurities by filtration.

➡️ This solution is concentrated to the crystallisation point and cooled.

➡️ Colourless transparant crystals of potash alum separate.

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