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Total Questions : 1913 | Page 19 of 192 pages
Question 181. 40 gms each of the methane and oxygen are mixed in an empty container maintained at 40°C. The fraction of the total pressure exerted by oxygen is
  1.    1/2
  2.    1/3
  3.    1/4
  4.    2/3
 Discuss Question
Answer: Option B. -> 1/3
Question 182. At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant?
  1.    273°C
  2.    273°K
  3.    100°C
  4.    200°C
 Discuss Question
Answer: Option A. -> 273°C
Question 183. The vapor pressure of water at 100°C is
  1.    100N/m²
  2.    76 cms of Hg
  3.    13.6 cms of Hg
  4.    760 mm wc
 Discuss Question
Answer: Option B. -> 76 cms of Hg
Question 184. A bypass stream in a chemical process is useful, because it
  1.    Facilitates better control of the process
  2.    Improves the conversion
  3.    Increases the yield of products
  4.    None of these
 Discuss Question
Answer: Option A. -> Facilitates better control of the process
Question 185. Which of the following ratios defines the recycle ratio in a chemical process?
  1.    Gross feed stream/recycle feed stream
  2.    Recycle stream/fresh feed stream
  3.    Recycle stream/gross feed stream
  4.    None of these
 Discuss Question
Answer: Option B. -> Recycle stream/fresh feed stream
Question 186. Heat of reaction is a function of the
  1.    Pressure
  2.    Temperature
  3.    Both(a)&(b)
  4.    Neither (a) nor (b)
 Discuss Question
Answer: Option C. -> Both(a)&(b)
Question 187. Heat of reaction is not influenced by
  1.    The route/method through which final products are obtained
  2.    The physical state (e.g., solid, liquid or gaseous) of reactants and products
  3.    Whether the reaction is carried out at constant temperature or constant pressure
  4.    None of these
 Discuss Question
Answer: Option A. -> The route/method through which final products are obtained
Question 188. Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules
  1.    Do not lose energy on collision
  2.    Are above the inversion temperature
  3.    Do not exert attractive force on each other
  4.    Do work equal to loss in kinetic energy
 Discuss Question
Answer: Option C. -> Do not exert attractive force on each other
Question 189. Which of the following gases will have the- highest kinetic energy per mole at the same pressure & temperature?
  1.    Chlorine
  2.    Nitrogen
  3.    Ethane
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 190. The OH⁻ concentration in a solution having pH value 3 is
  1.    10-3
  2.    10-10
  3.    10-11
  4.    10-13
 Discuss Question
Answer: Option C. -> 10-11

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