Punjab 12th Class Chemistry Chapter 4 Group V-A and Group VI-A Elements MCQs Test Online

Total Question
20 Questions
Total Marks
40 Marks
Total Time
20 Minuts
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12th Chemistry Class Test
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Test Name



Ch. 4 # Group V-A and Group VI-A Elements

Subject



Chemistry (12th Class)

Test Type



MCQs


Punjab 12th Class Chemistry Chapter 4 Group V-A and Group VI-A Elements MCQs Test Online

Punjab 12th Class Chemistry Chapter 4 Group V-A and Group VI-A Elements MCQs Test Online

 

Question 1 of 20

Chemistry

1. Out of all the elements of group VIA, the highest melting and boiling points is shown by the elements
1.
2.
3.
4.

Question 1 of 20

Question 2 of 20

2. In comparison with oxygen gas. a strong triple bond is present between two nitrogen atoms in a molecule and therefore nitrogen gas is:
1.
2.
3.
4.

Question 2 of 20

Question 3 of 20

3. Which catalyst is used in contact process
1.
2.
3.
4.

Question 3 of 20

Question 4 of 20

4. Oxidation of NO in air produces
1.
2.
3.
4.

Question 4 of 20

Question 5 of 20

5. Which of the following is a reddish brown gas:
1.
2.
3.
4.

Question 5 of 20

Question 6 of 20

6. The brown gas formed, when metal reduces HNO3 to
1.
2.
3.
4.

Question 6 of 20

Question 7 of 20

7. Free nitrogen and oxygen are present in atmosphere but they do not react with each other under normal conditions because
1.
2.
3.
4.

Question 7 of 20

Question 8 of 20

8. Among group VA elements, the most electronegative element is
1.
2.
3.
4.

Question 8 of 20

Question 9 of 20

9. Which of the following gas is evolved when cooper reacts with dil HNO3?
1.
2.
3.
4.

Question 9 of 20

Question 10 of 20

10. NO2 is called
1.
2.
3.
4.

Question 10 of 20

Question 11 of 20

11. Gold dissolves in aqua regain to form.
1.
2.
3.
4.

Question 11 of 20

Question 12 of 20

12. Laughing gas is chemically
1.
2.
3.
4.

Question 12 of 20

Question 13 of 20

13. The compound N20 causes disease:
1.
2.
3.
4.

Question 13 of 20

Question 14 of 20

14. SO3 is not absorbed in water directly to from H2SO4 because
1.
2.
3.
4.

Question 14 of 20

Question 15 of 20

15. The lowest ionization energy is possessed by:
1.
2.
3.
4.

Question 15 of 20

Question 16 of 20

16. Laughing gas is:
1.
2.
3.
4.

Question 16 of 20

Question 17 of 20

17. The most electronegative element in group-VA is
1.
2.
3.
4.

Question 17 of 20

Question 18 of 20

18. Which of the following specie has the maximum number of unpaired electrons
1.
2.
3.
4.

Question 18 of 20

Question 19 of 20

19. Chemical formula of laughing gas is
1.
2.
3.
4.

Question 19 of 20

Question 20 of 20

20. Out of all the elements of group VA, the highest ionization energy is possessed by
1.
2.
3.
4.

Question 20 of 20


 

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