Question

What is meant by alum or double salt give an example?

Answer 1

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DOUBLE SALT 《ALUM》


#●Alum, any of a group of hydrated double salts,

usually consisting of aluminum sulfate, water of

hydration, and the sulfate of another element.

●☆ Potassium aluminum sulfate, also known as

potassium alum or potash alum, has a molecular

formula of K2(SO4).

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Answer 2

alum any of the group of hydrated double salt, usually consisting of aluminum sulfate, water of hydration and the sulfate of another element.., potassium aluminum sulfate, also known as potassium alum or potash alum has a molecular formula of
$k {2} (so4)$