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MCQs

Total Questions : 345 | Page 2 of 35 pages
Question 11. Kelvin scale starts from
  1.    173
  2.    273
  3.    293
  4.    283
 Discuss Question
Answer: Option B. -> 273
Answer: (b).273
Question 12. After collision molecules of gases are
  1.    scattered
  2.    combined
  3.    compacted
  4.    dissociate
 Discuss Question
Answer: Option A. -> scattered
Answer: (a).scattered
Question 13. In Graham's law description 40.5 cm is distance travelled by
  1.    NH₄Cl
  2.    ammonia
  3.    HCl
  4.    oxygen
 Discuss Question
Answer: Option C. -> HCl
Answer: (c).HCl
Question 14. Linde's method for liquefaction is based upon
  1.    Joule Thomson effect
  2.    hydrogen effect
  3.    pressure effect
  4.    volume effect
 Discuss Question
Answer: Option A. -> Joule Thomson effect
Answer: (a).Joule Thomson effect
Question 15. Sum of mole fraction of all gases is equal to
  1.    two
  2.    five
  3.    six
  4.    unity
 Discuss Question
Answer: Option D. -> unity
Answer: (d).unity
Question 16. Plasma can also be used to remove
  1.    dust
  2.    hazardous chemicals
  3.    vapors
  4.    colors
 Discuss Question
Answer: Option B. -> hazardous chemicals
Answer: (b).hazardous chemicals
Question 17. Critical temperature of ammonia is
  1.    405.6K
  2.    605k
  3.    404k
  4.    890K
 Discuss Question
Answer: Option A. -> 405.6K
Answer: (a).405.6K
Question 18. Van der Waal states that for ideal gas factors which must be corrected are
  1.    volume
  2.    pressure
  3.    pressure and volume
  4.    temperature
 Discuss Question
Answer: Option C. -> pressure and volume
Answer: (c).pressure and volume
Question 19. Critical temperature is affected by
  1.    size of gas
  2.    shape of gas
  3.    intermolecular of gas
  4.    all of factors
 Discuss Question
Answer: Option D. -> all of factors
Answer: (d).all of factors
Question 20. Molecules of a gas are close to each other when it is
  1.    compressed
  2.    expanded
  3.    heated
  4.    pressurized
 Discuss Question
Answer: Option A. -> compressed
Answer: (a).compressed

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