2nd Year Chemistry MCQs F.Sc. Part 2
Chapter No.3
Group III-A and IV-A Elements
Total MCQs = 38
11. Aluminum oxide is (LHR 2015, 2016) (MTN 2017)
A. Acidic oxide
B. Basic Oxide
C. Amphoteric Oxide
D. None of these
Answer:
C. Amphoteric Oxide
12. Which metal is used in the flash light photography because of its activity? (RWP 2013)
A. Iron
B. Copper
C. Aluminium
D. Zinc
Answer:
C. Aluminium
13. Which metal in used in themite process because of its ocivity? (BWP, GRW 2019 GII)
A. Fe
B. Cu
C. Al
D. Zn
Answer:
C. Al
14. The formula of asbestos is (GRW 2015)
A. CaMg3(SiO3)4
B. CaMg(SiO3)3
C. CaMg(SiO3)2
D. CaMgSiO3
Answer:
A. CaMg3(SiO3)4
15. The observed bond distance in C-O in CO2 is (GRW 2015)
A. 105 pm
B. 110 pm
C. 115 pm
D. 120 pm
Answer:
C. 115 pm
