Both Soap and Detergent Are Some Type of Salts. What is the Difference Between Them? - Science


Both soap and detergent are some type of salts. What is the difference between them?

What is the difference between the molecules of soaps and detergents, chemically?



Difference between soap and detergent:-

Soap molecules are sodium or potassium salts of long-chain carboxylic acids. They form scum upon reaction with calcium and magnesium ions present in hard water.

Detergent molecules are ammonium or sulphonate salts of long-chain carboxylic acids. They do not form insoluble precipitates with calcium and magnesium ions.

Concept: Soap
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2014-2015 (March) All India Set 1

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Differentiate between Toilet soap and Laundry soap.

While preparing soap a small quantity of common salt is generally added to the reaction mixture of vegetable oil and sodium hydroxide. Which one of the following may be the purpose of adding common salt?

(A) To reduce the basic nature of the soap

(B) To make the soap neutral

(C) To enhance the cleansing power of the soap

(D) To favour the precipitation of the soap

Explain the formation of scum when hard water is treated with soap.

A student requires hard water for an experiment in his laboratory which is not available in the neighbouring area. In the laboratory there are some salts, which when dissolved in distilled water can convert it into hard water. Select from the following groups of salts, a group, each salt of which when dissolved in distilled water will make it hard.
(A) Sodium chloride, Potassium chloride
(B) Sodium sulphate, Potassium sulphate
(C) Sodium sulphate, Calcium sulphate
(D) Calcium sulphate, Calcium chloride

Fill in the following blank with suitable word:

............. is better than soap for washing clothes when the water is hard.

Use of synthetic detergents causes pollution of water.


What is the advantage of detergents over soaps for washing clothes? Also state one disadvantage.


Explain the cleansing action of soap. Draw diagrams to illustrate your answer.


Give a scientific explanation.

Soap forms a precipitate in hard water. 

Differentiate between:
Detergents and Soaps.

Fill appropriate term in the blank:

Soap is a salt of _______ and sodium hydroxide.

Write an answer to the following question.

How will you check with the help of soap powder whether water is hard?

Write an answer to the following question.

What is meant by 'surface activity'?

Write an answer to the following question.

Name three chemicals responsible for the surface activity of various detergents.

What are the differences between Soap and synthetic detergent?

What are the similarities and differences between Bath soap and soap for washing clothes?

Explain Why Soap cannot be used in hard water.

Explain Why Synthetic detergents are superior to soap.

Explain Why Often coloured spots are formed on clothes during washing.

Soaps were originally made from ______.

The saponification of a fat or oil is done using _____ solution for hot process.

Water, coconut oil, and _______ are necessary for soap preparation.

Match the following

1. Soap C6H5 OH
2. Cement CaSO4.2H2O
3. Fertilizers NaOH
4. Gypsum RCC
5. Phenol NPK

Arrange the following statements in correct sequence

  1. Pour that solution into an empty matchbox, soap can be obtained after drying.
  2. Take the necessary quantity of water in a jar.
  3. Then add coconut oil drop by drop and stir it well.
  4. Add concentrated sodium hydroxide in the jar and allow it to cool.
  5. Try this soap to wash your hand kerchief.
  6. Cover your work area with old newspaper.

What are the two different types of molecules found in the soap?

TFM in soaps represents ______ content in soap.

The alkaline hydrolysis of fatty acids is termed as ______

Soaps are ester of which type of acids?

We are using ______ to remove strong stains on the clothes.

How does soap clean clothes?

______ to remove strong strains on the clothes.

______ are substances which can undergo chemical changes to produce certain materials.

The soap molecule has a

What are soaps?

What are the similarities between Soap and synthetic detergent.


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