GK Chemistry

General Knowledge – Chemistry

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1. The most abundant element in the earth’s crust is

 
 
 
 

2. Which of the following elements is not present in stainless steel?

 
 
 
 

3. A light sensitive compound used in photography is

 
 
 
 

4. Polythene is industrially prepared by the polymerization of –

 
 
 
 

5. Why does diamond shine at night?

 
 
 
 

6. Which of the following types of clothes is manufactured by using petroleum products?

 
 
 
 

7. Stainless steel is an example of

 
 
 
 

8. Biogas mainly contains

 
 
 
 

9. Hydrogen is used instead of Helium to fill balloons for meteorology because

 
 
 
 

10. The tip of the match-stick contains

 
 
 
 

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