CHAPTER-5, ENVIRONMENTAL CHEMISTRY

1. Fish die in water bodies polluted by sewage due to

 
 
 
 

2. Disease caused by eating fish found in water contaminated with industrial waste having mercury is

 
 
 

3. Atmosphere of big/metropolitan cities is polluted most by

 
 
 
 

4. Modes of controlling pollution in large cities include

 
 
 
 

5. Which one is the most toxic?

 
 
 
 

6. Addition of phosphate and nitrate/fertilizers into water leads to

 
 
 
 

7. Atmospheric pollutant is

 
 
 
 

8. Minamata disease is due to pollution of

 
 
 
 

9. Acid rains are produced by

 
 
 
 

10. UV radiations bring about

 
 
 
 

Question 1 of 10