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MCQs

Total Questions : 1913 | Page 187 of 192 pages
Question 1861. According to the kinetic theory, the thermal conductivity of a monatomic gas is proportional to___________________?
  1.    T
  2.    T0.5
  3.    T1.5
  4.    T2
 Discuss Question
Answer: Option B. -> T0.5
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1862. The vapour pressure of water is given by, in Psat = A – (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K. The vapor pressure of water in atm. at 50°C is approximately__________________?
  1.    0.07
  2.    0.09
  3.    0.11
  4.    0.13
 Discuss Question
Answer: Option D. -> 0.13
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1863. Volume occupied by one gm mole of a gas at S.T.P. is ____________________?
  1.    22.4 litres
  2.    22400 litres
  3.    22.4 c.c
  4.    359 litres
 Discuss Question
Answer: Option A. -> 22.4 litres
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1864. In a mixture of benzene vapor and nitrogen gas at a total pressure of 900 mm Hg, if the absolute humidity of benzene is 0.2 kg benzene/kg nitrogen, the partial pressure of benzene in mm Hg is__________________?
  1.    180
  2.    60.3
  3.    720
  4.    200
 Discuss Question
Answer: Option B. -> 60.3
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1865. In a binary liquid system, the composition expressed as _______________ is independent of the temperature & pressure?
  1.    Kg of solute/kg of solvent
  2.    Kg-mole of solute/kg-mole of solvent
  3.    Kg-mole of solute/1000 kg of solvent
  4.    All A., B. & C.
 Discuss Question
Answer: Option D. -> All A., B. & C.
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1866. Elements in a periodic table are arranged in order of their__________________?
  1.    Atomic number
  2.    Mass number
  3.    Atomic weight
  4.    Metallic characteristics
 Discuss Question
Answer: Option A. -> Atomic number
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1867. Unit of mass velocity is___________________?
  1.    kg/m.hr
  2.    kg/m2.h
  3.    kg/hr
  4.    kg/m2
 Discuss Question
Answer: Option B. -> kg/m2.h
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1868. The most convenient way of expressing solution concentration is in terms of___________________?
  1.    Mole fraction
  2.    Normality
  3.    Molality
  4.    Molarity
 Discuss Question
Answer: Option D. -> Molarity
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1869. Disappearance of snow in subzero weather exemplifies the process of_________________?
  1.    Evaporation
  2.    Sublimation
  3.    Vaporisation
  4.    Melting
 Discuss Question
Answer: Option B. -> Sublimation
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1870. Vapor pressure of a solution is proportional to (where, Sv and St are mole fraction of solvent and solute respectively) ?
  1.    Sv
  2.    1/St
  3.    St
  4.    1/Sv
 Discuss Question
Answer: Option A. -> Sv
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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