IL What is the commercial name of calcium sulphate hemihydrate?
a. Washing soda
b. Bleaching powder
C Plaster of Paris
d. Baking soda
water molecules are present in one formula unit of copper sulphate.
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Answer:
c) Plaster of Paris
Five water molecules are present in one formula unit of copper sulphate.
Explanation:
Plaster of Paris is the commercial name of calcium sulphate hemihydrate. Its chemical formula is CaSO4.1/2 H2O
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