Free tnpsc model questions Online Test - MeritNotes

No. of Questions :10
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1. The most electropositive amongst the alkaline earth metals is
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

2. Smoke is an example of
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

3. The standard heat of formation of diamond is
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

4. Which of the following transition metal is in liquid state?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

5. Or which of the following cells, the standard cell voltage is zero?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

6. Which metal shows more than one oxidation state?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

7. Which one of the following fuels causes minimum environmental pollution?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

8. The magnetic separation is used for increasing concentration of the following
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

9. In a period, the elements are arranged in the order of
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

10. The substance used as an activator in froth floatation process is
 
  • (a) 
  • (b) 
  • (c) 
  • (d)