Punjab 10th Class Chemistry Chapter 8 Chemical Industries Mcqs Test Online

Total Question
10 Questions
Total Marks
20 Marks
Total Time
10 Minuts
Test Help For ::

Chemistry 10th Class Test
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Test Name



Ch.8 # Chemical Industries

Subject



Chemistry (10th Class)

Test Type



MCQs


Punjab 10th Class Chemistry Chapter 8 Chemical Industries Mcqs Test Online

Punjab 10th Class Chemistry Chapter 8 Chemical Industries Test Preparation Online

 

Question 1 of 10

Chemistry

1. Which of the following steps is not used in the extraction process of metals:
1.
2.
3.
4.

Question 1 of 10

Question 2 of 10

2. The naturally occurring metallic compounds are called as
1.
2.
3.
4.

Question 2 of 10

Question 3 of 10

3. What happens when ammonium carbonate is distilled with steam?
1.
2.
3.
4.

Question 3 of 10

Question 4 of 10

4. Which of the followings is not a raw material for the manufacture of soda ash.
1.
2.
3.
4.

Question 4 of 10

Question 5 of 10

5. Calcination is the process in which sodium hydrogen carbonate is heated to get sodium carbonate. Which is not obtained in this process?
1.
2.
3.
4.

Question 5 of 10

Question 6 of 10

6. Percentage of nitrogen in urea is
1.
2.
3.
4.

Question 6 of 10

Question 7 of 10

7. Chemical formula of slaked lime is
1.
2.
3.
4.

Question 7 of 10

Question 8 of 10

8. A mixture of Cu₂S and FeS called matte is produced in one of the metallurgical operations in the extraction of copper. The name of this operation is:
1.
2.
3.
4.

Question 8 of 10

Question 9 of 10

9. In electrolytic refining of copper, __________ is used as anode.
1.
2.
3.
4.

Question 9 of 10

Question 10 of 10

10. The separation of minerals from gangue is called concentration. Which of the following methods is used for concentration?
1.
2.
3.
4.

Question 10 of 10


 

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3 Comments

  1. In 2nd mcq the correct answer is roasting and how ? Because a solution of matte is produced in smelting process not in roasting ? Please let me know about it ……..

    Reply

  2. In 2nd mcq is the correct answer is roasting and how ? Because a solution of matte is produced in smelting process not in roasting ? Please let me know about it ……..

    Reply

  3. need for correction of spellings such as not amonium carbonate corect spelling are amonium carbamate

    Reply

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