Punjab 12th Class Chemistry d and f Block Elements Mcqs Test Online
Questions 20
Total Marks 40
Time 20 Mins
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Punjab 12th Class Chemistry d and f Block Elements Mcqs Test Online

Punjab 12th Class Chemistry d and f Block Elements Mcqs Test Online

 

Question 1 of 20

Chemistry

1. Following element shows maximum number of oxidation states?
1.
2.
3.
4.

Question 1 of 20

Question 2 of 20

2. The unit of magnetic moment is
1.
2.
3.
4.

Question 2 of 20

Question 3 of 20

3. Which element form elloy:
1.
2.
3.
4.

Question 3 of 20

Question 4 of 20

4. Which metal oxide is used in contact process as a catalyst:
1.
2.
3.
4.

Question 4 of 20

Question 5 of 20

5. Which of the following metals show more than one oxidation state?

1.
2.
3.
4.

Question 5 of 20

Question 6 of 20

6. Which are repelled by magnetic field?
1.
2.
3.
4.

Question 6 of 20

Question 7 of 20

7. Zinc is a transition element but it does not show variable valency because:
1.
2.
3.
4.

Question 7 of 20

Question 8 of 20

8. Give the systematic name for Fe(CO)₅
1.
2.
3.
4.

Question 8 of 20

Question 9 of 20

9. Bronze alloy contains:
1.
2.
3.
4.

Question 9 of 20

Question 10 of 20

10. Give the chemical formula of a complex compound sodium monochloropnetacyanoferrate (III).
1.
2.
3.
4.

Question 10 of 20

Question 11 of 20

11. If we add HNO3 to the original vanadium (II) solution, it produces
1.
2.
3.
4.

Question 11 of 20

Question 12 of 20

12. The complexes having coordination number (C.N) = 4 have geometry:
1.
2.
3.
4.

Question 12 of 20

Question 13 of 20

13. The color of Mn²⁺in hydrated form is:

1.
2.
3.
4.

Question 13 of 20

Question 14 of 20

14. Magnetic moment (u) of an atom or ion is the measure of its number of unpaired:
1.
2.
3.
4.

Question 14 of 20

Question 15 of 20

15. Which of the following is non-typical transition element?
1.
2.
3.
4.

Question 15 of 20

Question 16 of 20

16. In oxidation of chromium (III) to chromium (VI) the green color will change into:
1.
2.
3.
4.

Question 16 of 20

Question 17 of 20

17. Coinage metals are actually
1.
2.
3.
4.

Question 17 of 20

Question 18 of 20

18. Iron is used as a catalyst in:
1.
2.
3.
4.

Question 18 of 20

Question 19 of 20

19. During the reaction of Ammonia with iron, it acts as both a base and a:
1.
2.
3.
4.

Question 19 of 20

Question 20 of 20

20. Acidified potassium permanganate act as a strong
1.
2.
3.
4.

Question 20 of 20


 

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