Punjab 12th Class Chemistry Chapter 2 s – Block Element Mcqs Test Online
Questions 20
Total Marks 40
Time 20 Mins
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Punjab 12th Class Chemistry Chapter 2 s – Block Element Mcqs Test Online

12th Class Chemistry Chapter 2 s – Block Element Mcqs Test Online All Punjab Boards

 

Question 1 of 20

Chemistry

1. The carbonates of alkali metal are not affected by heat except:
1.
2.
3.
4.

Question 1 of 20

Question 2 of 20

2. Which is the strongest reducing agent?
1.
2.
3.
4.

Question 2 of 20

Question 3 of 20

3. Select the correct increasing order of atomic radius?
1.
2.
3.
4.

Question 3 of 20

Question 4 of 20

4. Oxidizing power of halogen depends upon:
1.
2.
3.
4.

Question 4 of 20

Question 5 of 20

5. Oxides and hydroxides of Group 1 elements are:
1.
2.
3.
4.

Question 5 of 20

Question 6 of 20

6. The radioactive element in halogen group is:
1.
2.
3.
4.

Question 6 of 20

Question 7 of 20

7. The first ionization energy is higher for the:
1.
2.
3.
4.

Question 7 of 20

Question 8 of 20

8. The flame colour of sodium metal or its compounds is:

1.
2.
3.
4.

Question 8 of 20

Question 9 of 20

9. Melting points and boiling points of alkali metals:
1.
2.
3.
4.

Question 9 of 20

Question 10 of 20

10. When sodium burn in air, it forms sodium:
1.
2.
3.
4.

Question 10 of 20

Question 11 of 20

11. Highest electron affinity is shown by?
1.
2.
3.
4.

Question 11 of 20

Question 12 of 20

12. Which pair has both members from same period of periodic table?
1.
2.
3.
4.

Question 12 of 20

Question 13 of 20

13. Group VII-A elements are generally called:
1.
2.
3.
4.

Question 13 of 20

Question 14 of 20

14. Which of the following oxides is amphoteric in nature?
1.
2.
3.
4.

Question 14 of 20

Question 15 of 20

15. All the carbonates, sulphates and phosphates of alkaline earth metals are ___________ in water.
1.
2.
3.
4.

Question 15 of 20

Question 16 of 20

16. Which one of the element has the maximum electron affinity?

1.
2.
3.
4.

Question 16 of 20

Question 17 of 20

17. Green is characteristic flame colour of:
1.
2.
3.
4.

Question 17 of 20

Question 18 of 20

18. Due to inert pair effect ___________ oxidation state is more stable than ___________ for Sn and Pb.

1.
2.
3.
4.

Question 18 of 20

Question 19 of 20

19. Which of following oxides amphoteric is nature?
1.
2.
3.
4.

Question 19 of 20

Question 20 of 20

20. Substance boiling at higher temperature among following is?

1.
2.
3.
4.

Question 20 of 20


 

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