2nd Year Chemistry MCQs F.Sc. Part 2
Chapter No.2
S Block Elements
Total MCQs = 50
36. The oxide of Beryllium is:
(a) Acidic
(b) Basic
(c) Amphoteric
(d) None of these
Answer:
(c) Amphoteric
37. Point out the ore of potassium:
(a) Dolomite
(b) Cryolite
(c) Bauxite
(d) Carnallite
Answer:
(d) Carnallite
38. Dolomite is an ore of:
(a) Strontium
(b) Magnesium
(c) Barium
(d) Potassium
Answer:
(b) Magnesium
39. Which is not an alkali metal?
(a) Francium
(b) Cesium
(c) Rubidium
(d) Radium
Answer:
(d) Radium
40. Chile salt peter has the chemical formula:
(a) NaNO3
(b) KNO3
(c) Na2Br407
(d) Na2CO3 .H20
Answer:
(a) NaNO3
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