Free tnpsc model questions Online Test - MeritNotes

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1. At high altitudes the boiling point of water lowers because
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
2. Which of the following metal is present in photo films?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
3. The most important ore of aluminium is
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
4. The boiling point of ethanol is
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
5. Which one of the following metallic atom is present in the molecule of super phosphate?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
6. Which of the following noble gas doesnot exist in air?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
7. Which one of the following is used in preparing match sticks?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
8. Formation of anions occurs by
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
9. Which one among the following rocks does not belong to the same group?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
10. Which one of the following is used for writing on glass?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
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