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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Hookworm larvae enter the body via the:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. An excess of bile pigments in the blood causes

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. The taste of water is:

 
 
 
 

16. Water is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 


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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