Chemistry, asked by samridhi7, 1 year ago

why should we not use gypsum directery for facterd area .why we use pop ?

samridhi7: plz help me anyone for solve this question

Answers

Answered by kayle1

1

gypsum contains water of crystallization and is hydrated.. so it does only harden when it is heated. i.e forms pop
hope it helpes you
thanks...

samridhi7: thnx

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