2nd Year Chemistry MCQs F.Sc. Part 2
Chapter No.2
Block Elements
Total MCQs = 31
6. Dolomite is an ore of
A. Strontium
B. Magnesium
C. Barium
D. Potassium
Answer:
B. Magnesium
7. The mineral CaSo4.2H2O has the general name:
A. Gypsum
B. Dolomite
C. Calcite
D. Epsom salt
Answer:
A. Gypsum
8. The only alkaline earth metal which form peroxide is (GRW 2015)
A. Beryllium
B. Magnesium
C. Calcium
D. Barium
Answer:
D. Barium
9. Which is insoluble in water?
A. CaO
B. SrO
C. BaO
D. MgO
Answer:
D. MgO
10. Indicate amphoteric oxide
A. MgO
B. BeO
C. SrO
D. CaO
Answer:
B. BeO
