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1. The biocatalyst are
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
2. Which of the following is not a metallic mineral?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
3. Which of the following is a weak acid?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
4. Paper is manufactured by
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
5. Which of the following electromagnetic wave has the longest wavelength?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
6. Alum is used as
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
7. Name the metal, which is in the liquid state
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
8. The inert gas abundantly found in atmosphere is
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
9. In which type of coal percentage of carbon is the highest?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
10. The non metal which is in liquid state is
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
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