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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Adsorption

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Adsorption of gases on solid surface is exothermic because:

a: Enthalpy is positive Explanation

Explanation

b: Entropy decreases Explanation

Explanation

c: Entropy increases Explanation

Explanation

d: Free energy increases Explanation

Explanation

Smoke is a dispersion of _________.

a: A solid in gas Explanation

Explanation

b: A gas in solid Explanation

Explanation

c: A gas in gas Explanation

Explanation

d: A liquid in gas Explanation

Explanation

Which of the following empirical equations represents the Freundlich adsorption curve?

a: x.m = k p1/n Explanation

Explanation

b: x/m = k p1/n Explanation

Explanation

c: m/x = k p1/n Explanation

Explanation

d: x/m = k / p1/n Explanation

Explanation

Which among the following is an example of Adsorption?

a: Silica gel in contact with water vapours Explanation

Explanation

b: Misty windows Explanation

Explanation

c: Painting Explanation

Explanation

d: All of the above Explanation

Explanation

Identify the Incorrect statement among the following regarding Brownian movement.

a: It is observed up to particle size of 0.5 microns Explanation

Explanation

b: Depends upon temperature Explanation

Explanation

c: It is the kinetic property of sol Explanation

Explanation

d: It is independent of wave length of light used Explanation

Explanation

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