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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. An excess of bile pigments in the blood causes

 
 
 
 

10. Water is litmus:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Hookworm larvae enter the body via the:

 
 
 
 

15. Fluorosis can harm our:

 
 
 
 

16. Water is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. The taste of water is:

 
 
 
 


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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