Punjab 10th Class Chemistry Chapter 7 Water Mcqs Test Online
Questions 8
Total Marks 16
Time 8 Mins
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Punjab 10th Class Chemistry Chapter 7 Water Mcqs Test Online

Chemistry Chapter 7 Water 10th Class Punjab Boards Online MCQs

 

Question 1 of 8

Chemistry

1. The density of water is maximum at.
1.
2.
3.
4.

Question 1 of 8

Question 2 of 8

2. Which is used to remove permanent hardness in water?
1.
2.
3.
4.

Question 2 of 8

Question 3 of 8

3. Heating calcium hydrogen carbonate produces
1.
2.
3.
4.

Question 3 of 8

Question 4 of 8

4. Which salt causes temporary hardness in water
1.
2.
3.
4.

Question 4 of 8

Question 5 of 8

5. Which human activity results in contamination of water bodies?
1.
2.
3.
4.

Question 5 of 8

Question 6 of 8

6. Percentage of sodium chloride in sea water is
1.
2.
3.
4.

Question 6 of 8

Question 7 of 8

7. Which salt does not cause the water to become hard.
1.
2.
3.
4.

Question 7 of 8

Question 8 of 8

8. Which of the followings is not a water born disease?
1.
2.
3.
4.

Question 8 of 8


 

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