Which of the following enhances the leathering property of soap?

1. Sodium carbonate

2. Sodium rosinate

3. Sodium stearate

4. Trisodium phosphate

Subtopic:  Soaps & Detergents, Dyes & Propellant |
From NCERT
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Glycerol is added to soap. It functions is-

1. As a filler

2. To increases leathering

3. To prevent rapid drying

4. To make soap granules

Subtopic:  Soaps & Detergents, Dyes & Propellant |
 75%
From NCERT
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Which of the following is an example of liquid dishwashing detergent?

Subtopic:  Soaps & Detergents, Dyes & Propellant |
 72%
From NCERT
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Polyethyleneglycols are used in the preparation of which type of detergents?

1. Cationic detergents

2. Anionic detergents

3. Nonionic detergents

4.  Soaps

Subtopic:  Soaps & Detergents, Dyes & Propellant |
 79%
From NCERT
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Match the soaps given in Column I with items given in column II.

       Column I                  Column II

A. Soap chips         1. Dried miniature soap bubbles

B. Soap granules    2. Small broken pieces of soap formed from melted soaps

C. Soap powder      3. Soap powder + abrasives+builders (Na2CO3, Na3PO4)

D. Scouring soap    4. Soap powder + builders like Na2CO3, and Na3PO4

Codes

          A         B          C           D

1.       2          1           3           4

2.       3          1           5           2

3.       5          4           3           2

4.       4          3           2           1

Subtopic:  Soaps & Detergents, Dyes & Propellant |
 73%
From NCERT
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Match structures are given in Column I with the type of detergents given in Column II.

Column I

Column II

A. CH3CH216COOCH2CH2On CH2CH2OH

1. Cationic detergent

B. C17H35COO-Na+

2. Anionic detergent

C. CH3 - CH210CH2SO3-Na+

3. Nonionic detergent

D.                           CH3
                            |
CH3CH215 - N - CH3
                            |
                          CH3+ Br-

4. Soap

Codes

Options:   A    B    C    D  
1. 3 4 1
2. 4 2 1
3. 5 4 3 2
4. 4 3 2 1

Subtopic:  Soaps & Detergents, Dyes & Propellant |
 81%
From NCERT
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Match the detergents given in Column I with their uses in Column II.

Column I

Column II

A.                          CH3
                            |
CH3CH215 - N - CH3
                            |
                          CH3+ Br-

1. Dishwashing powder

B.

2. Laundry soap

C. C17H35COO-Na+ + Na2CO3 + Rosin

3. Hair conditioners

D. CH3CH216COOCH2CH2On CH2CH3OH

4. Toothpaste

Codes

Options:   A    B    C    D  
1. 2 3 4 1
2. 3 4 2 1
3. 2 4 3 1
4. 4 3 2 1

 

Subtopic:  Soaps & Detergents, Dyes & Propellant |
 73%
From NCERT
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Given below are two statements: 

Assertion (A): Transparent soaps are made by dissolving soaps in ethanol.
Reason (R): Ethanol makes things invisible.


 

1. Assertion and reason both are correct statements but reason does not explain assertion.
2. Assertion and reason both are correct and reason explains the assertion.
3. Both assertion and reason are wrong statements.
4. Assertion is the correct statement reason is the wrong statement.

Subtopic:  Soaps & Detergents, Dyes & Propellant |
 51%
From NCERT
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Given below are two statements: 

Assertion (A): Sodium chloride is added to precipitate soap after saponification.
Reason (R): Hydrolysis of esters of long-chain fatty acids by alkali produces Soap in colloidal form.

1. Assertion and reason both are correct statements but reason does not explain assertion.
2. Assertion and reason both are correct and reason explains the assertion.
3. Both assertion and reason are wrong statements.
4. Assertion is the correct statement reason is the wrong statement.

Subtopic:  Soaps & Detergents, Dyes & Propellant |
From NCERT
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Which of the following statements is correct?

a. Cationic detergents have germicidal properties
b. Bacteria can degrade the detergents containing highly branched chains
c. Some synthetic detergents can give foam even in ice-cold water
d. Synthetic detergents are not soaps

Choose the correct option

1. (a, c, d)

2. (a, b, c)

3. (a, b, d)

4. (b, c, d)

Subtopic:  Soaps & Detergents, Dyes & Propellant |
 79%
From NCERT
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