All Exams Test series for 1 year @ ₹349 only
Question

The cloudy appearance of soap solution is due to:

The correct answer is

Scattering of light by micelles

Soap forms colloidal particles called micelles when dissolved in water. These micelles scatter light passing through the solution (the Tyndall effect), giving the solution its cloudy appearance.

Hence, the correct answer is Scattering of light by micelles (A).

Was this answer helpful?

Similar Questions

  1. Which of the following is NOT an example of a colloidal solution?

  2. Which of the following is a characteristic of a colloidal solution?

  3. Which property most definitively distinguishes a suspension from a colloid?


Important Questions from Surface Chemistry

  1. A mixture is heterogeneous and shows Tyndall effect. It stops showing Tyndall effect after it has been kept for some time. Which of the following about this mixture is correct?
  2. If a crystal of potassium permanganate is kept in a beaker containing water, the water becomes pink after some time. What characteristic of matter is inferred through this observation?

  3. The gas used in artificial ripening of green fruits is

  4. Motor vehicles equipped with catalytic converter should use unleaded petrol because lead in the petrol will cause following problem:

  5. Which of the following is a positively charged Sol?

Need Expert Advice?
Upcoming Exams
RRB Technician
October 06, 2026
RRB JE
October 27, 2026
RRB ALP
November 03, 2026
Test Series
RRB Group D img
Railways
RRB Group D Mock Test Series 2026 (Latest Pattern)
1154 Tests 1 Tests Free
1707 Attempts
4.1(103)
English, Hindi
More Questions from RRB Group D

Start Your Preparation with Prepp Mobile App

Download the app from Google Play & App Store
Download the app from Google Play & App Store
Prepp Mobile App