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MCQs

Total Questions : 345 | Page 29 of 35 pages
Question 281. In demonstration of Graham's law, fumes are produced at point of
  1.    junction of gases
  2.    where pressure is high
  3.    where area is greater
  4.    at end of the tube
 Discuss Question
Answer: Option A. -> junction of gases
Answer: (a).junction of gases
Question 282. Kinetic molecular theory was given in year
  1.    1755
  2.    1760
  3.    1750
  4.    1738
 Discuss Question
Answer: Option D. -> 1738
Answer: (d).1738
Question 283. Ar is non polar gas with low
  1.    polarizability
  2.    temperature
  3.    weight
  4.    volume
 Discuss Question
Answer: Option A. -> polarizability
Answer: (a).polarizability
Question 284. Excluded volume of gas depends upon
  1.    volume
  2.    size of gas
  3.    shape of gas
  4.    hydrogen bonding
 Discuss Question
Answer: Option B. -> size of gas
Answer: (b).size of gas
Question 285. Radioactive contamination can be controlled by
  1.    stable particles
  2.    metastable particles
  3.    small particles
  4.    electrons
 Discuss Question
Answer: Option B. -> metastable particles
Answer: (b).metastable particles
Question 286. Coldest temperature which is ever achieved is
  1.    0 kelvin
  2.    0 degree
  3.    0 Fahrenheit
  4.    0 Celsius
 Discuss Question
Answer: Option A. -> 0 kelvin
Answer: (a).0 kelvin
Question 287. Charle's law defines value of 'k' as
  1.    V/n
  2.    V/V
  3.    V/P
  4.    V/T
 Discuss Question
Answer: Option D. -> V/T
Answer: (d).V/T
Question 288. PM/RT is an expression for
  1.    density
  2.    pressure
  3.    volume
  4.    temperature
 Discuss Question
Answer: Option A. -> density
Answer: (a).density
Question 289. Liquids have definite
  1.    Shape
  2.    volume
  3.    surfaces
  4.    forces
 Discuss Question
Answer: Option B. -> volume
Answer: (b).volume
Question 290. We feel comfortable in breathing when partial pressure of oxygen is
  1.    117 torr
  2.    159 torr
  3.    179 torr
  4.    134 torr
 Discuss Question
Answer: Option B. -> 159 torr
Answer: (b).159 torr

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