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31. Give an example of an associated colloid.

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32.

Mention an application of emulsions.

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33. How can the Freundlich adsorption isotherm be represented when the value of n is less than one?

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34. Why is a catalyst, in general in the form of finely divided powder?

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35. How does the emulsification of fats take place in the intestines?

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Water in solid fat: Gel.

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37. Why do colloidal solution exhibit Tyndall effect?

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38. State any one characteristic of enzymatic catalysis.

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39. What is the cause of Brownian movement observed in colloidal solutions?

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40. What is the sign of ΔH and ΔS when bromine gas gets absorbed on charcoal?

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