2nd Year Chemistry MCQs F.Sc. Part 2
Chapter No.2
Block Elements
Total MCQs = 31
21. Soda lime is often employed to remove both. (MTN 2014) (DGK, AJK 2015)
A. H2 O and NO2
B. CO and CO2
C. H 2 O and CO2
D. H2S and CO2
Answer:
C. H 2 O and CO2
22. Which one of the following does not belong to alkaline-earth metals? (MTN 2015, 2016) (FSD 2015, 2017) (LHR 2017)
A. Be
B. Ra
C. Ba
D. Rn
Answer:
D. Rn
23. The oxides of beryllium are?
A. Acidic
B. Basic
C. Amphoteric
D. None of these
Answer:
C. Amphoteric
24. Which ion will have maximum value of heat of hydrogen? (DGK 2016) (RWP 2017)
A. Na+
B. Cs2+
C. Ba2+
D. Mg2+
Answer:
D. Mg2+
25. Which one of the following is not an alkali metal? (DGK 2016) (LHR 2018) (RWP, 2018, 2019)
A. Francium
B. Caesium
C. Rubidium
D. Radium
Answer:
D. Radium
