Chemical Engineering MCQs

Page No. 407

Internal energy of a substance comprises of the _____________ energy?


aVibrational


bRotational


cRotational


dAll A., B. & C.


View Answer All A., B. & C.

Isotonic solutions must have the same__________________?


aViscosity


bMolar concentration


cNormality


dCritical temperature


View Answer Molar concentration

Osmotic pressure of a dilute solution of a non volatile solute in a solvent obeying Raoult’s law is proportional to the_____________?


aTemperature


bVolume of solution


cMoles of non-volatile solute


dNone of these


View Answer Temperature

The pressure of ‘V’ litres of a dry gas is increased from 1 to 2 kgf/cm2 at a constant temperature. The new volume will become___________________?


aV/2


b2V


cV/4


dV2


View Answer V/2

For a given mass of a gas at constant temperature, if the volume ‘V’ becomes three times, then the pressure ‘P’ will become______________?


aP/3


b3P


c9P2


d9P


View Answer P/3

One Newton is equal to ______________ dynes?


a102


b103


c104


d105


View Answer 105

In a binary liquid solution of components „A‟ and „B‟, if component „A‟ exhibits positive deviation from Raoult’s law, then component „B‟ ?


aExhibits positive deviation from Raoult’s law


bExhibits negative deviation from Raoult’s law


cObeys Raoult’s law


dMay exhibit either positive or negative deviation from Raoult’s law



_____________ kg of CaC03 on heating will give 56 kg of CaO?


a56


b100


c144


d1000


View Answer 100

In case of a ternary system involving two liquid components and a solute, the ratio of the concentration of the solute in the two phases at equilibrium is called the distribution co-efficient. The distribution co-efficient depends upon the______________?


aSolute concentration


bTemperature


cBoth A. & B.


dNeither A. nor B.


View Answer Both A. & B.

The elevation in boiling point of a solution is proportional to the ______________ of the solution?


aMolal concentration


bReciprocal of the molal concentration


cNormality


dMolarity


View Answer Molal concentration

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