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Mass Transfer Operations Online Test 1 (Free)

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(બેસ્ટ ટેસ્ટ અનુભવ માટે ખૂણામાં આપેલ ફૂલ સ્ક્રીન મોડ (¤) ઉપર ક્લિક કરો)

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Your Name

1 / 10

Category: Types of Solvent

Which of the following is NOT a protic solvent?

Water

Acetic acid

Chloroform

Ethanol

2 / 10

Category: Adsorption

In Freundlich adsorption isotherm, the value of 1/n is:

Between 2 and 4 in all cases

Between 0 and 1 in all cases

1 in case of chemisorptions

1 in case of physical adsorption

3 / 10

Category: Adsorption

Adsorption of gases on solid surface is exothermic because:

Entropy decreases

Free energy increases

Entropy increases

Enthalpy is positive

4 / 10

Category: Desorption

Phonon-activated desorption involves ___________

Surface expansion

Surface vibrations and electron excitation

Magnetic resonance

UV light

5 / 10

Category: Distillation

What are the two processes in distillation?

Only condensation reflux

Freezing and condensation reflux

Distilling and condensation reflux

Distilling and freezing

6 / 10

Category: Types of Solvent

How does a polar solvent dissolve a solute?

Through physical grinding

By evaporating it

By interacting with electrical charges in solute molecules

By increasing temperature

7 / 10

Category: Distillation

Which is not separated by distillation ?

acetone and water

impurities in seawater

milk and water

chloroform and aniline

8 / 10

Category: Types of Solvent

Which of the following is a property of aprotic solvents?

Strong acidity

Low dielectric constant

Contains -OH groups

Highly reactive hydrogen atoms

9 / 10

Category: Desorption

Activation energy for phonon desorption was found to be:

Unmeasurable

Lower than bond strength

Equal to bond strength

Higher than bond strength

10 / 10

Category: Distillation

Which component of the distillation setup is responsible for ensuring consistent vapor-liquid equilibrium?

Round-bottom flask

Condenser

Receiving flask

Fractioning column

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Mass Transfer Operations Online Test 1 (Free)

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