(A) Manganese
(B) Magnesium
(C) Gypsum
(D) Bauxite
Answer: (C) Gypsum
Q. Gypsum is a soft sulfate mineral composed of:
(A) Calcium Sulfate Dihydrate
(B) Sodium Sulfate Dihydrate
(C) Nitrogen Sulfate Dihydrate
(D) None of these
Answer: (A) Calcium Sulfate Dihydrate
Q. Which of the following non-metallic minerals found in Pakistan?
(A) Sphene
(B) Sulphur
(C) Emerald
(D) Ruby
Answer: (B) Sulphur