why does an aqueous solution of potash alum turn blue litmus red ?
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Explanation:
It is acidic, it turns blue litmus paper red. The solution is acidic due to hydrolysis of the salt.
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Answer:
Is aqueous solution of potash alum acidic or basic ? Answer. It is acidic, it turns blue litmus paper red. The solution is acidic due to hydrolysis of the salt.
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