Online MCQs – Environmental Chemistry-2 Water – Chemistry 10th

Class 10th | Chemistry | Chapter 6 | Environmental Chemistry-2 Water | Solved Online MCQs Test

Online MCQs Test of Chapter 6 (Environmental Chemistry-2 Water) Chemistry Class 10th Science Group – Sindh Board. According to New Examination Pattern / Syllabus of Sindh Board

1. It is known as the universal solvent.

 
 
 
 

2. Water makes up around of the earth’s surface.

 
 
 
 

3. The taste of water is:

 
 
 
 

4. Fluorosis can harm our:

 
 
 
 

5. It is a gastrointestinal ailment caused by a waterborne microbe (protozoa) that causes diarrhea and vomiting.

 
 
 
 

6. In this disease the liver stops working, and the eyes turn yellow the patient is weak and tired.

 
 
 
 

7. Which salts are excessively dissolved to make temporary hard water:

 
 
 
 

8. Which type of bond is formed between H2O molecules:

 
 
 
 

9. Water is a:

 
 
 
 

10. Which of the following is NOT soluble in water?

 
 
 
 

11. How much fresh water is present on earth (rivers and lakes):

 
 
 
 

12. Without water, a person can live no more than:

 
 
 
 

13. Hookworm larvae enter the body via the:

 
 
 
 

14. The mechanism by which water rises from the roots of-plants to the leaves is known as:

 
 
 
 

15. An excess of bile pigments in the blood causes

 
 
 
 

16. Which of the following is helpful for removal of permanent hardness:

 
 
 
 

17. What percentage of water on the earth is fresh water?

 
 
 
 

18. Water is litmus:

 
 
 
 

19. The permanent hardness of water is due to presence of:

 
 
 
 

20. What percentage of water on the earth is salt water?

 
 
 
 


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