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

Total Question
20 Questions
Total Marks
40 Marks
Total Time
20 Minuts
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12th Chemistry Class Test
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Test Name



d and f Block Elements

Subject



Chemistry (12th Class)

Test Type



MCQs


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

1.
2.
3.
4.

Question 1 of 20

Question 2 of 20

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

Question 2 of 20

Question 3 of 20

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

Question 3 of 20

Question 4 of 20

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

Question 4 of 20

Question 5 of 20

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

Question 5 of 20

Question 6 of 20

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

Question 6 of 20

Question 7 of 20

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

Question 7 of 20

Question 8 of 20

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

Question 8 of 20

Question 9 of 20

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

Question 9 of 20

Question 10 of 20

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

Question 10 of 20

Question 11 of 20

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

Question 11 of 20

Question 12 of 20

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

Question 12 of 20

Question 13 of 20

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

Question 13 of 20

Question 14 of 20

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

Question 14 of 20

Question 15 of 20

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

Question 15 of 20

Question 16 of 20

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

Question 16 of 20

Question 17 of 20

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

1.
2.
3.
4.

Question 17 of 20

Question 18 of 20

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

Question 18 of 20

Question 19 of 20

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

Question 19 of 20

Question 20 of 20

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

Question 20 of 20


 

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