Chemical Engineering - Stoichiometry

6.
Boiling point of a non-homogeneous mixture of immiscible liquids is __________ that of any one of its separate components.
lower than
higher than
equal to
either (a) or (b); depends on the liquids
Answer: Option
Explanation:
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7.
A vapor whose partial pressure is less than its equilibrium vapor pressure is called a __________ vapor.
saturated
supersaturated
superheated
none of these
Answer: Option
Explanation:
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8.
Sometimes, in chemical processes, a part of the outlet stream is rejected as waste in order to keep the impurity level in the system within limits. This phenomenon is termed as the
recycling
purging
bypassing
recirculation
Answer: Option
Explanation:
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9.
The density of a gas at N.T.P.is 'ρ'. Keeping the pressure constant (i.e. 760 mm Hg), the 3 density of the gas will become at a temperature of __________ °K
273°
300°
400°
300°
Answer: Option
Explanation:
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10.
A gas occupies a volume of 283 c.c at 10°C. If it is heated to 20°C at constant pressure, the new volume of the gas will be __________ c.c.
283
566
293
141.5
Answer: Option
Explanation:
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