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
Entry Test Chemistry Section
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Competitive Exams
All Punjab Boards Annual Exams



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

Question 1 of 10

Question 2 of 10

2. Which of the followings is not a raw material for the manufacture of soda ash.
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. In electrolytic refining of copper, __________ is used as anode.
1.
2.
3.
4.

Question 4 of 10

Question 5 of 10

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

Question 5 of 10

Question 6 of 10

6. 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 6 of 10

Question 7 of 10

7. 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 7 of 10

Question 8 of 10

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

Question 8 of 10

Question 9 of 10

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

Question 9 of 10

Question 10 of 10

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

Question 10 of 10


 

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