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Chemical Process Calculation
Tough Chemical Process Calculation
Quiz 1
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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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