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

Question 1 of 20

Question 2 of 20

2. Which of the following specie has the maximum number of unpaired electrons
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. 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 4 of 20

Question 5 of 20

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

Question 5 of 20

Question 6 of 20

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

Question 6 of 20

Question 7 of 20

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

Question 7 of 20

Question 8 of 20

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

Question 8 of 20

Question 9 of 20

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

Question 9 of 20

Question 10 of 20

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

Question 10 of 20

Question 11 of 20

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

Question 11 of 20

Question 12 of 20

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

Question 12 of 20

Question 13 of 20

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

Question 13 of 20

Question 14 of 20

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

Question 14 of 20

Question 15 of 20

15. 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 15 of 20

Question 16 of 20

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

Question 16 of 20

Question 17 of 20

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

Question 17 of 20

Question 18 of 20

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

Question 18 of 20

Question 19 of 20

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

Question 19 of 20

Question 20 of 20

20. The brown gas formed, when metal reduces HNO3 to
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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