Free trb questions Online Test - MeritNotes

No. of Questions :10
Remaining Time :
1. Which among the following elements (metals) pollutes the air of a city having large number of automobiles?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

2. Manganese steel is used in making
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

3. Mark the halogen that does not give disproportionation reaction with alkalies
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

4. The gas which emits from rice field is
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

5. The colour of silver chloride precipitate is
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

6. Which has maximum calorific value?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

7. Oils are purified by
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

8. Mercury is used in barometers due to its
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

9. The colouring agent used to get ruby red colour glass is
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

10. Which of the following is used to heat the fire clay pots in the manufacture of glass?
 
  • (a) 
  • (b) 
  • (c) 
  • (d)