An impure sample of potash alum can be purified by (a) evaporation (b) crystallisation (c) centrifugation (d) filtration

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26/12/2020 6:12 pm

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Trisha Dave

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An impure sample of potash alum can be purified by

(a) evaporation

(b) crystallisation

(d) filtration

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26/12/2020 6:12 pm

Arsh01

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(b) crystallisation

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