Free tnpsc model questions Online Test - MeritNotes

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1. Which of the following metals was first discovered by man?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
2. Which one of the following is a mixture?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
3. Soda water contains
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
4. Mohr salt is a
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
5. Which one of the following is a major constituent of Biogas?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
6. The main constituent of vinegar is
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
7. Which among the following is a solid non metal?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
8. Which of the following is used as lubricant?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
9. Which one of the following is an element which never exhibits positive oxidation state in any of its compounds?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
10. Which one among the following is the main ingredient in cement?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 
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