2nd Year Chemistry MCQs F.Sc. Part 2
Chapter No.2
S Block Elements
Total MCQs = 50Â
6. Which of the following compounds has a per oxide linkage:
(a) BaO2
(b) CO2
(c) PbO2
(d) SiO2
Answer:
(a) BaO2
7. Which of the following does not belong to alkaline earth metals:
(a) Be
(b) Mg
(c) Ra
(d) Rb
Answer:
(d) Rb
8. Which does not belong to alkali metals:
(a) Cs
(b) Fr
(c) Na
(d) Ca
Answer:
(d) Ca
9. The oxides of beryllium are:
(a) Acidic
(b) Neutral
(c) Basic
(d) Amphoteric
Answer:
(d) Amphoteric
10. Nelson’s cell is used to prepare:
(a) Sodium hydroxide
(b) Sodium carbonate
(c) Sodium metal
(d) Sodium bicarbonate
Answer:
(a) Sodium hydroxideoek
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