1. What is condensation ?

 
 
 
 

2. The rate of chemical reaction does not depend upon

 
 
 
 

3. Photosynthesis is

 
 
 
 

4. In which of the following processes light energy is converted into chemical energy ?

 
 
 
 

5. Combustion is the process in which

 
 
 
 

6. Catalytic properties of a substance may be best defined s a phenomenon of

 
 
 
 

7. The chemical used as a ‘fixer’ in photography is

 
 
 
 

8. Which of the following substances undergoes chemical change on heating

 
 
 
 

9. Chemical change does not take place in case of

 
 
 
 

10. Vulcanisation is a

 
 
 
 

Question 1 of 10

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