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Alum is a specific chemical compound. It is hydrated potassium sulphate. It's formula is KAI(SO4)2.12H2O Alum powder contains potassium alum. I is used in pickling for crispness.
Answers
March 16, 2010
Alum is a specific chemical compound.
It is hydrated potassium sulphate.
It's formula is KAI(SO4)2.12H2O
Alum powder contains potassium alum.
I is used in pickling for crispness.