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. Water is litmus:

 
 
 
 

2. Hookworm larvae enter the body via the:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Water is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. The taste of water is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. It is known as the universal solvent.

 
 
 
 

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

 
 
 
 

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

 
 
 
 


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.
Go back to chapterwise list
Scroll to Top