MCQ Quiz on Class 12 Chemistry Chapter 6 General Principles and Processes of Isolation of Elements with Answers

We have compiled the MCQ Questions for Class 12 Chemistry Chapter 6 General Principles and Processes of Isolation of Elements with Answers Pdf free download covering the entire syllabus for JEE/NEET and Boards. Practice MCQ Questions for Class 12 Chemistry with Answers on a daily basis and score well in exams. Refer to the General Principles and Processes of Isolation of Elements Class 12 MCQs Quiz Questions with Answers here along with a detailed explanation.

General Principles and Processes of Isolation of Elements Class 12 MCQs Questions with Answers

MCQ Questions for Class 12 Chemistry Chapter 5 General Principles and Processes of Isolation of Elements with Answers

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1. The purest form of iron is:

 
 
 
 

2. In a thermite process is used as reducing agent:

 
 
 
 

3. During the process of electrolytic refining of copper, some metals present as impurity settle as ‘anode mud’. These are:

 
 
 
 

4. Bessemer converter is used in the manufacture of:

 
 
 
 

5. Formula of copper pyrite is:

 
 
 
 

6. Heating ore with carbon in the absence of air is known as:

 
 
 
 

7. Concentration of sulphide ore is done by:

 
 
 
 

8. In the equation,

4M + 8CN– + H2O + O2 → 4[M(CN)2]– + 4OH–, the metal M is

 
 
 
 

9. Which of the following ores is concentrated by chemical leaching method?

 
 
 
 

10. The oil used as frothing agent in froth floatation process is:

 
 
 
 

11. Electrolytic reduction of Al2O3 to Al by Hall- Herault process is carried out:

 
 
 
 

12. Which of the following oxides cannot be reduced by hydrogen?

 
 
 
 

13. In metallurgical process, aluminium acts as:

 
 
 
 

14. Common impurities present in bauxite are:

 
 
 
 

15. The method of zone refining of metals is based upon the principle of:

 
 
 
 

16. Cassiterite is the ore of which metal?

 
 
 
 

17. Sulphide ore of zinc/copper is concentrated by:

 
 
 
 

18. The method of zone refining of metals is based on the principle of:

 
 
 
 

19. For which of the following ores froth floatation method is used for concentration?

 
 
 
 

20. The significance of leaching in the extraction of aluminium is:

 
 
 
 

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