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

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

1.
2.
3.
4.

Question 1 of 20

Question 2 of 20

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

Question 2 of 20

Question 3 of 20

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

Question 3 of 20

Question 4 of 20

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

Question 4 of 20

Question 5 of 20

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

Question 5 of 20

Question 6 of 20

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

Question 6 of 20

Question 7 of 20

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

Question 7 of 20

Question 8 of 20

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

Question 8 of 20

Question 9 of 20

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

Question 9 of 20

Question 10 of 20

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

Question 10 of 20

Question 11 of 20

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

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

Question 13 of 20

Question 14 of 20

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

Question 14 of 20

Question 15 of 20

15. Substance boiling at higher temperature among following is?

1.
2.
3.
4.

Question 15 of 20

Question 16 of 20

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

Question 16 of 20

Question 17 of 20

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

Question 17 of 20

Question 18 of 20

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

Question 18 of 20

Question 19 of 20

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

Question 19 of 20

Question 20 of 20

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

1.
2.
3.
4.

Question 20 of 20


 

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