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Principles of Metallurgy, Class 12 Chemistry NCERT Solutions

1. There will be total 20 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. Which is insoluble in water ?
 
 
 
 

Question 1 of 20

2. Name the metal which can be purified by distillation process ?
 
 
 
 

Question 2 of 20

3. The electrolytic process used for extaction of aluminium from bauxite is
 
 
 
 

Question 3 of 20

4. The Baeyer’s process is used for leaching of
 
 
 
 

Question 4 of 20

5. An ore of tin containing FeCrO4 is concentrated by
 
 
 
 

Question 5 of 20

6. Which one is a better reducing agent at 983K?
 
 
 
 

Question 6 of 20

7. Which process of purification is represented by the following equation ?
56052_l1
 
 
 
 

Question 7 of 20

8. Which of the following metals is obtained by electrometallurgy ?
 
 
 
 

Question 8 of 20

9. The anode used in Hall-Heroults process of electrolysis is of
 
 
 
 

Question 9 of 20

10. The iron which is obtained from blast furnace is
 
 
 
 

Question 10 of 20

11. The salt which is least likely to be found in mineral is
 
 
 
 

Question 11 of 20

12. Nickel is refined by
 
 
 
 

Question 12 of 20

13. The most commonly used reducing agent in the process of reduction of oxides and sulphide of metals is
 
 
 
 

Question 13 of 20

14. Ellingham diagrams normally consists of plots of ΔfG vs T for the formation of
 
 
 
 

Question 14 of 20

15. Zirconium or Titanium is refined by which process
 
 
 
 

Question 15 of 20

16. Copper is mainly extracted from
 
 
 
 

Question 16 of 20

17. Distillation is used to purify metals with
 
 
 
 

Question 17 of 20

18. The content of carbon in pig iron is
 
 
 
 

Question 18 of 20

19. Metal having low melting point such as tin can be purified by
 
 
 
 

Question 19 of 20

20. The purest form of iron is
 
 
 
 

Question 20 of 20


 

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