Q.1
Henry`s law is used primarily for a component whose mole fraction approaches_______
  • a) 0
  • b) 0.25
  • c) 0.50
  • d) 1.00
Q.2
Henry`s law can be applied to diluted gas dissolved in liquid.
  • a) Correct
  • b) Incorrect
  • c) Can`t predict
  • d) None of the mentioned
Q.3
For Henry`s law, Pi = HiXi, Here Pi is
  • a) Partial pressure in the gas phase of the dilute component
  • b) Vapour pressure in the gas phase of the dilute component
  • c) Total ambient pressure in the gas phase of the dilute component
  • d) None of the mentioned
Q.4
For a dilute solution the relative lowering of vapour pressure is equal to mole fraction of solute. According to which law the statement is correct?
  • a) Henry`s Law
  • b) Dalton`s Law
  • c) Charles Law
  • d) None of the mentioned
Q.5
Positive deviation showing from Raoult’s law is?
  • a) Water – hydrochloric acid
  • b) Acetone – chloroform
  • c) Water – nitric acid
  • d) Benzene – methanol
Q.6
The escaping tendency of a solvent is measured by its
  • a) Vapour pressure
  • b) Partial pressure
  • c) Ambient pressure
  • d) None of the mentioned
Q.7
Vapour pressure is dependent on
  • a) Temperature
  • b) Pressure
  • c) Volume
  • d) None of the mentioned
Q.8
Vapour pressure measures the concentration of solvent molecules in the ________ phase.
  • a) Gas
  • b) Liquid
  • c) Solid
  • d) None of the mentioned
Q.9
For an ideal solution the partial vapour pressure of a component in solution is equal to the mole fraction of that component times its vapour pressure. Is the
  • a) Henry`s Law
  • b) Dalton`s Law
  • c) Charles Law
  • d) Raoult`s LAw
Q.10
At high altitude the atmospheric pressure is
  • a) High
  • b) Low
  • c) Same as ground
  • d) None of the mentioned
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