Punjab 12th Class Chemistry Chapter 4 Group V-A and Group VI-A Elements MCQs Test Online
Questions 20
Total Marks 40
Time 20 Mins
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Punjab 12th Class Chemistry Chapter 4 Group V-A and Group VI-A Elements MCQs Test Online

Start your preparation for Punjab 12th Class Chemistry Chapter 4 Group V-A and Group VI-A Elements MCQs Test Online. This online test contains 20 MCQs and you have 20 Minutes to complete it. The total marks for this test are 40. This test is valid for students of All Punjab Boards (Lahore, Gujranwala, Multan, etc.) following the PCTB Syllabus. Read the questions carefully and select the correct option below to see your result.

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

 

Question 1 of 20

Chemistry

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

Question 1 of 20

Question 2 of 20

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

Question 2 of 20

Question 3 of 20

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

Question 3 of 20

Question 4 of 20

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

Question 4 of 20

Question 5 of 20

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

Question 5 of 20

Question 6 of 20

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

Question 6 of 20

Question 7 of 20

7. 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 7 of 20

Question 8 of 20

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

Question 8 of 20

Question 9 of 20

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

Question 9 of 20

Question 10 of 20

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

Question 10 of 20

Question 11 of 20

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

Question 11 of 20

Question 12 of 20

12. 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 12 of 20

Question 13 of 20

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

Question 13 of 20

Question 14 of 20

14. Out of all the elements of group VA, the highest ionization energy is possessed by
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. The most electronegative element in group-VA is
1.
2.
3.
4.

Question 16 of 20

Question 17 of 20

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

Question 17 of 20

Question 18 of 20

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

Question 18 of 20

Question 19 of 20

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

Question 19 of 20

Question 20 of 20

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

Question 20 of 20


 

Guide for Punjab Board Students

Students of BISE Lahore, Gujranwala, Multan, and other Punjab boards must follow the SLO based pattern.

Top Scoring Tips for Punjab:

  • Textbook Reading: The paper is 100% derived from PCTB books. Do not rely only on keybooks.
  • Objective Paper (20%): Practice these online MCQs repeatedly as they are taken from 5-Year Past Papers.
  • Bubble Sheet: Ensure you know how to fill the OMR sheet correctly.

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