The active compound in mineral gypsum and phosphogysum is
A. Calcium sulphate
B. Phosphorus
C. Both A and B
D. Limestone
Answer: Option A
Solution(By Examveda Team)
The active compound in mineral gypsum and phosphogypsum is Calcium sulphate.Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O.
Phosphogypsum (PG) is the calcium sulfate hydrate formed as a by-product of the production of fertilizer from phosphate rock. It is mainly composed of gypsum.
Although gypsum is a widely used material in the construction industry, phosphogypsum is usually not used but is stored indefinitely because of its weak radioactivity.
This Question Belongs to Agriculture >> Plant Pathology
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C. Purple nonsulphur bacteria
D. Green sulphur bacteria
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