Gypsum contains
A. 18.6% Ca and 29.2% S
B. 29.2% Ca and 18.6% S
C. 19.5% Ca and 12.5% S
D. 12.5% Ca and 18.6%
Answer: Option B
Solution (By Examveda Team)
Gypsum is a soft sulphate mineral composed of calcium sulphate dehydrated with the chemical formula CaSO4·2H2O. It is widely mined and is used as a miraculous fertilizer. It is moderately soluble in water.Pure gypsum contains 29.2% of calcium (Ca) and 18.6% of Sulphur (S).
This Question Belongs to Agriculture >> Soil Science
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