) Which chemical salt is used to make toys 1
(A) calcium carbonate
(B) hydrated copper sulphate
(C) calcium sulphate hemihydrate
(D) sodium carbonate decahydrate
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Answer:
C) Calcium Sulphate hemihydrate, CaSO4.1/2H2O or plaster of Paris is used to make toys.
hope this will help you
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