Question

Which of the following is an application of surface tension?

(a) Use of soaps and detergents as cleansing agents

(b) Molecular structure can be elucidated by surface tension measurements through parachor values

(c) Surfactants are incorporated in preparations like toothpaste

(d) All of the mentioned

I had been asked this question during an online exam.

Question is taken from Surface Tension topic in division Methods of Purification of Engineering Chemistry I

Answer 1

Right answer is (d) All of the mentioned

The best explanation: Use of soaps and detergents as cleansing agents, molecular structure can be elucidated by surface tension measurements through parachor values and surfactants are incorporated in preparations like toothpaste are the applications of surface tension.