Question

Which of the following statement about emulsions is true?

(a) Oily drugs cannot be prepared in the form of emulsions

(b) Digestion does not involve the process of emulsification

(c) Disinfectants like Dettol and Lysol give emulsions of water-in-oil type on mixing with water

(d) The cleansing action of soap is based upon the formation of water-in-oil emulsion

This question was addressed to me in homework.

This interesting question is from Surface Chemistry topic in chapter Surface Chemistry of Chemistry – Class 12

Answer 1

The correct option is (b) Digestion does not involve the process of emulsification

To explain: The digestion of fats in the intestines takes place by the process of emulsification. A small amount of the fat reacts with the alkaline solution present in the intestines to form a sodium soap.