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. Fluorosis can harm our:

 
 
 
 

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

 
 
 
 

3. Water is litmus:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. How much percentage (%) of the Earth’s Surface is covered with water?

 
 
 
 

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

 
 
 
 

8. The taste of water is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. What percentage of fresh water is accessible to humans?

 
 
 
 

16. Hookworm larvae enter the body via the:

 
 
 
 

17. An excess of bile pigments in the blood causes

 
 
 
 

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

 
 
 
 

19. It is a kind of gastrointestinal infection caused by bacteria or parasites.

 
 
 
 

20. It is known as the universal solvent.

 
 
 
 


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