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

 
 
 
 

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

 
 
 
 

3. Fluorosis can harm our:

 
 
 
 

4. Water is a:

 
 
 
 

5. Water is litmus:

 
 
 
 

6. An excess of bile pigments in the blood causes

 
 
 
 

7. It is known as the universal solvent.

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. The taste of water is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Hookworm larvae enter the body via the:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 


Online MCQs Test preparation for Chemistry Class 10th (Science Group Sindh Board) helps students practice effectively. These multiple-choice questions are taken from Chapter 6 “Environmental Chemistry-2 Water” of the Class 10th Chemistry textbook. They fully cover the requirements of the objective section in the examination. This activity is a valuable resource for excellent exam preparation. The Online MCQs Test provides students with the best platform to assess their knowledge and practice independently.
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