Chemical Engineering MCQs

Page No. 407

Internal energy of a substance comprises of the _____________ energy?


aVibrational

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bRotational

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cRotational

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dAll A., B. & C.

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View Answer All A., B. & C.

Isotonic solutions must have the same__________________?


aViscosity

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bMolar concentration

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cNormality

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dCritical temperature

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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

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bVolume of solution

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cMoles of non-volatile solute

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dNone of these

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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

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b2V

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cV/4

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dV2

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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

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b3P

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c9P2

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d9P

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View Answer P/3

One Newton is equal to ______________ dynes?


a102

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b103

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c104

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d105

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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

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bExhibits negative deviation from Raoult’s law

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cObeys Raoult’s law

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

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


a56

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b100

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c144

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d1000

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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

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bTemperature

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cBoth A. & B.

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dNeither A. nor B.

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View Answer Both A. & B.

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


aMolal concentration

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bReciprocal of the molal concentration

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cNormality

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dMolarity

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View Answer Molal concentration

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