Soaps and Detergents

IMPORTANT

Soaps and Detergents: Overview

This topic covers concepts such as Cleansing Agents, Soaps and Detergents, Micelles, Structure of Micelles, Formation of Micelles, Mechanism of Cleansing Action of Soaps and Detergents, Applications of Cleansing Agents, etc.

Important Questions on Soaps and Detergents

MEDIUM
IMPORTANT

 How do synthetic detergents differ from soaps? What is the cleansing action of soaps and detergents ? 
 

EASY
IMPORTANT

 Fill in the blanks :

When treated with soap, _____ water gives scum.

EASY
IMPORTANT

The substances which help the water to remove dirt from the surface of material are called:

EASY
IMPORTANT

Hardness of water is caused by:

MEDIUM
IMPORTANT

Which of the following are natural detergents?

MEDIUM
IMPORTANT

What causes the hardness of water?

EASY
IMPORTANT

Soaps give lather in hard water.

EASY
IMPORTANT

What are the advantages of soap?

EASY
IMPORTANT

Soaps are not effective for washing woollen garments. Why?

MEDIUM
IMPORTANT

Why soap does not work well with hard water?

EASY
IMPORTANT

Detergent does not form scum with _____ water.

EASY
IMPORTANT

Which of these can be used for the preparation of soap?

EASY
IMPORTANT

Which ions are responsible for making water hard?

MEDIUM
IMPORTANT

What is the difference between washing of clothes at home and washing by dry cleaning at laundry?

HARD
IMPORTANT

What are the differences between soaps and detergents?

HARD
IMPORTANT

How micelles are formed? Write mechanism also.

MEDIUM
IMPORTANT

What is the characteristic of detergents?

MEDIUM
IMPORTANT

What is saponification? 

MEDIUM
IMPORTANT

In micelle formation, hydrocarbon tail is