Here is 2nd Year Chemistry MCQs Chapter No.4 Group 5A and 6A Elements with from Past Papers detail answers for all kind of Board exams. Mostly MCQs in this quiz from Past Papers. MCQs of Block Elements are very important.
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Multiple Choice Questions 2nd Year
MCQs Chemistry F.Sc. Part 2
Chapter No.4 Group 5A and 6A Elements
Best MCQs for Entry Test MDCAT, ECAT & Pakistan Medical Commission
2nd Year Chemistry MCQsĀ F.Sc. Part 2
Chapter No.4
Group 5A and 6A Elements
Total MCQs = 50Ā
1. The lowest ionization energy is possessed by: (LHR 2018 GII) (SGD 2019 GI)
A. N
B. P
C. As
D. Sb
Answer:
D. Sb
2. Which of the following elements gives acidic oxide? (RWP 2016)
A. Sb
B. N
C. Bi
D. As
Answer:
B. N
3. The elements whose inorganic minerals are not much abundant in earth crust (RWP 2016)
A. Li
B. N
C. Na
D. O
Answer:
B. N
4. Laughing gas is (SWL 2016) (GRW 2017) (DGK, FSD, SGD, BWP 2018) (BWP, RWP, SGO, LHR 2019)
A. NO
B. NO2
C. N2O
D. N2O3
Answer:
C. N2O
5. Which of the following gas is evolved when copper reacts with dil, HNO3 ? (RWP 2009)
A. N2O
B. NO
C. NO2
D. None of these
Answer:
B. NO
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