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MCQs

Total Questions : 345 | Page 3 of 35 pages
Question 21. Pressure exerted by mixture of gases is equal to sum of pressure of each gas in case of
  1.    reacting gas
  2.    no reacting gas
  3.    individualized gas
  4.    inert gases
 Discuss Question
Answer: Option B. -> no reacting gas
Answer: (b).no reacting gas
Question 22. In defining Charle's law quantity which remains constant is
  1.    volume
  2.    pressure
  3.    temperature
  4.    forces
 Discuss Question
Answer: Option B. -> pressure
Answer: (b).pressure
Question 23. Mole fraction has unit of
  1.    gram
  2.    moles
  3.    power
  4.    pressure
 Discuss Question
Answer: Option B. -> moles
Answer: (b).moles
Question 24. Plasma are used to drive particle accelerators and
  1.    motors
  2.    fans
  3.    lasers
  4.    cars
 Discuss Question
Answer: Option C. -> lasers
Answer: (c).lasers
Question 25. Definite velocities are owned by molecules of gases which occur
  1.    in chains
  2.    in groups
  3.    independently
  4.    as entity
 Discuss Question
Answer: Option B. -> in groups
Answer: (b).in groups
Question 26. 760 mm of Hg is taken at an area of
  1.    1 cm square
  2.    2 cm square
  3.    3 cm square
  4.    4 cm square
 Discuss Question
Answer: Option A. -> 1 cm square
Answer: (a).1 cm square
Question 27. Expansion in Linde's method takes place from 200 atm to
  1.    1 atm
  2.    5 atm
  3.    7 atm
  4.    9 atm
 Discuss Question
Answer: Option A. -> 1 atm
Answer: (a).1 atm
Question 28. Gases which have more tendency to liquefy include
  1.    carbon dioxide
  2.    ammonia
  3.    hydrogen
  4.    sulphur
 Discuss Question
Answer: Option B. -> ammonia
Answer: (b).ammonia
Question 29. Metastable molecules have long
  1.    survival
  2.    wavelength
  3.    chains
  4.    volume
 Discuss Question
Answer: Option A. -> survival
Answer: (a).survival
Question 30. Joule Thomson effect was implied by scientist
  1.    Linde
  2.    Joule
  3.    Dalton
  4.    Boyle's law
 Discuss Question
Answer: Option A. -> Linde
Answer: (a).Linde

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