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Superphosphate of lime is a mixture of: ...

Superphosphate of lime is a mixture of: primary calcium phosphate and epsom, primary magnesium phosphate and epsom, primary magnesium phosphate and gypsum, primary calcium phosphate and gypsum

A

primary calcium phosphate and epsom

B

primary magnesium phosphate and epsom

C

primary magnesium phosphate and gypsum

D

primary calcium phosphate and gypsum

Text Solution

Verified by Experts

The correct Answer is:
D
It is a mixture of calcium dihydrogen phosphate and gypsum and is obtained by treating phosphatic rock with conc. `H_2SO_4`.
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