E-PolyLearning

11. Pressure exerted by mixture of gases is equal to sum of pressure of each gas in case of
a. reacting gas
b. no reacting gas
c. individualized gas
d. inert gases
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Answer: (b).no reacting gas

12. In defining Charle's law quantity which remains constant is
a. volume
b. pressure
c. temperature
d. forces
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Answer: (b).pressure

13. Plasma are used to drive particle accelerators and
a. motors
b. fans
c. lasers
d. cars
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Answer: (c).lasers

14. Mole fraction has unit of
a. gram
b. moles
c. power
d. pressure
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Answer: (b).moles

15. Definite velocities are owned by molecules of gases which occur
a. in chains
b. in groups
c. independently
d. as entity
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Answer: (b).in groups

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