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. Which type of bond is formed between H2O molecules:

 
 
 
 

2. Hookworm larvae enter the body via the:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Fluorosis can harm our:

 
 
 
 

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

 
 
 
 

8. An excess of bile pigments in the blood causes

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. At 4°C, maximum density of water is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Water is litmus:

 
 
 
 

17. The taste of water is:

 
 
 
 

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

 
 
 
 

19. Water is a:

 
 
 
 

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

 
 
 
 


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