Chemistry, asked by krishna4779, 1 year ago

what does alum contain​

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Answered by Anonymous
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heya❤

. The alums are a class of chemical compounds. Alums are double sulfate salts, with the general formula AM(SO4) 12H2O, where A is a monovalent cation such as potassium or ammonium and M is a trivalent metal ion such as aluminum or chromium(III).

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