GENERAL SCIENCE MCQS SET 06

GENERAL SCIENCE MCQS SET 06

1.Which one will help to accelerate the process of evaporation of a liquid kept in an open china dish?
(a)Keeping dish in open
(b)Blowing air into the liquid
(c)Keeping the dish under a running fan
(d)All the above

2.When a gas is compressed keeping temperature constant. It results in:
(b)Increase in collision among gaseous molecules
(c)Decrease in speed of gaseous molecules
(d)Decrease in collision among gaseous molecules

3.Pressure of air at sea level is:
(a)One atmosphere
(b)760 cm of Hg
(c)76 mm of Hg
(d)All are correct

4. Zig-zag movement of the solute particle in a solution is known as
(a) Linear motion
(b) Circular motion
(c) Brownian motion
(d) Curved motion.

5.Gases can be liquefied by
(a) increasing pressure
(b) decreasing temperature
(c) both (a) and (b)
(d) decreasing pressure

6. Density of a substance is defined as
(a) ratio of mass and volume
(b) product of mass and volume
(c) ratio of mass and temperature
(d) product of mass and temperature

7. Which of the following is not matter
(a) Blood
(b) Moon rock
(c) Electron
(d) Humidity

8. Which is more effective in cooling?
(a) Ice at 273K
(b) Water at 273 K
(c) Water at 373K
(d) Ice at 373K

9. 0 ° C temperature is equal to
(a) 0 K
(b) 273 K
(c) -273 K
(d) 300 K

10. The process involving the change of state from solid to gas is called
(a) melting
(b) boiling
(c) fusion
(d) sublimation
ANSWER:

1.(d)                             

2.(d)                                

3.(c)                            

4.(c)                          

5.(c)
6.(a)                              

7.(d)                               

8.(a)                             

9.(b)                          

10.(d)