1.

    Which of the following contributes to the cleansing action of soap BUT NOT detergents?

    A

    Precipitation with hard water ions

    B

    Lowering of surface tension

    C

    Emulsification of grease

    D

    Formation of micelles

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Emulisions, Soaps & Detergents
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Soaps, Detergents, Hard Water

    Related Questions

    1.

    Which of the following is not an emulsion?

    A

    Butter

    B

    Ice cream

    C

    Milk

    D

    Clouds

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Emulisions, Soaps & Detergents
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :emulsion, mixtures, states of matter

    2.

    Cow milk, an example of natural emulsion is stabilised by

    A

    Fat

    B

    Water

    C

    Casein

    D

    Mg2+  ions{\rm{M}}{{\rm{g}}^{2 + }}\;{\rm{ions}}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Emulisions, Soaps & Detergents
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Emulsions, Stabilizers, Proteins

    3.

    Emulsifying agents generally used are :

    A

    Ions with negative charge

    B

    Surface active agents

    C

    Ions with a positive charge

    D

    Lyophobic substances

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Emulisions, Soaps & Detergents
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :emulsifying agents, surface active agents, lyophobic substances

    4.

    Which of the following is not an emulsion?

    A

    Butter

    B

    Ice cream

    C

    Milk

    D

    Clouds

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Emulisions, Soaps & Detergents
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Emulsion, Mixtures, States of Matter

    5.

    Anionic detergents are characterized by:

    A

    A negatively charged hydrophilic head

    B

    A positively charged hydrophobic head

    C

    A nonpolar hydrophilic tail

    D

    A positively charged hydrophilic head

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Emulisions, Soaps & Detergents
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Detergents, Anionic detergents

    6.

    Which is an emulsion?

    A

    Boot polish

    B

    Lipstic

    C

    Shampoo

    D

    All of these

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Emulisions, Soaps & Detergents
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :emulsion, mixtures, colloids

    7.

    Cod liver oil is :

    A

    Fat dispersed in water

    B

    Water dispersed in fat

    C

    Water dispersed in oil

    D

    Fat dispersed in fat

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Emulisions, Soaps & Detergents
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Mixtures, Emulsions, Dispersed Phase, Continuous Phase

    8.

    Which of the following is an example of an emulsion?

    A

    Sugar solution

    B

    Salt solution

    C

    Milk

    D

    Air

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Emulisions, Soaps & Detergents
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :Emulsions, Mixtures

    9.

    What is the process of formation of micelles called?

    A

    Saponification

    B

    Micellization

    C

    Hydration

    D

    Emulsification

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Emulisions, Soaps & Detergents
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :Micelles

    10.

    An emulsion is a colloidal dispersion of

    A

    A liquid in a gas

    B

    A liquid in a liquid

    C

    A solid in a liquid

    D

    A gas in a solid

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Emulisions, Soaps & Detergents
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :colloids, emulsions, states of matter

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