Free trb questions Online Test - MeritNotes

No. of Questions :10
Remaining Time :
1. The percentage of oxygen present in human body is
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

2. An example for chemical change is
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

3. Which of the following is used in endoscopes?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

4. Baking powder is a mixture of
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

5. A mixture of water and alcohol can be separated by
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

6. Which of the following chemicals is used in foam fire extinguishers?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

7. Name the metal, which is in the liquid state
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

8. Kerosene is a mixture of
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

9. Stainless steel is an alloy of
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

10. The process of losing water of crystallization from a hydrated salt when exposed to air is called as
 
  • (a) 
  • (b) 
  • (c) 
  • (d)