1.

    An aerosol is a

    A

    Dispersion of a solid or liquid in a gas

    B

    Dispersion of a solid in a liquid

    C

    Dispersion of a liquid in a liquid

    D

    Solid solution

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Colloidal State
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Aerosol, Mixtures, States of Matter

    Related Questions

    1.

    Which one of the following methods is commonly used for destruction of colloid?

    A

    Dialysis

    B

    Condensation

    C

    Filtration by animal membrane

    D

    By adding electrolyte

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Colloidal State
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :colloids, stability, electrolytes

    2.

    The Gold number of four protective colloids A, B, C and D are 0.03, 0.003, 10 and 30 resp. protective power of these colloids will be in the order

    A

    A > B > C > D

    B

    B > A > C > D

    C

    C > D > B > A

    D

    D > C > A > B

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Colloidal State
    🎓 Ncert Level:Understanding
    🎯Difficulty :Hard
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Gold number, Protective colloids, Lyophobic colloids

    3.

    The movement of sol particles under an applied electric field is called :

    A

    Electrodeposition

    B

    Electrodialysis

    C

    Electroosmosis

    D

    Electrophoresis

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Colloidal State
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Electrophoresis, Colloids, Electric Field

    4.

    The fresh precipitate can be transformed in colloidal state by

    A

    Peptization

    B

    Coagulation

    C

    Diffusion

    D

    None of these

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Colloidal State
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :colloids, peptization, coagulation, diffusion

    5.

    The Brownian motion is due to:

    A

    Temperature fluctuations within the liquid phase

    B

    Attraction and repulsion between charges on the colloidal particles

    C

    Impact of the molecules of the dispersion medium on the colloidal particles

    D

    Convective currents

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Colloidal State
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Brownian motion, colloidal particles, dispersion medium

    6.

    An example of dispersion of a liquid in a gas is

    A

    Milk

    B

    Vegetable oil

    C

    Foam

    D

    Mist

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Colloidal State
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :states of matter, dispersion, colloids

    7.

    Which phenomenon is used to distinguish colloids from true solutions?

    A

    Brownian motion

    B

    Tyndall effect

    C

    Osmosis

    D

    Diffusion

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Colloidal State
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :Colloids, Tyndall effect

    8.

    If a negatively charged AgIAgI sol is formed by mixing AgNO3AgNO_3 and KIKI, which ion is preferentially adsorbed?

    A

    Ag+Ag^+

    B

    K+K^+

    C

    NO3−NO_3^−

    D

    I−I^−

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Colloidal State
    PYQ YEAR: 2019
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Surface Chemistry, Colloids

    9.

    In which of the following reactions will a negatively charged colloidal sol of silver iodide ([AgI]I−[AgI]I^−) be formed?

    A

    AgNO3AgNO_3 is added to excess KIKI

    B

    KIKI is added to excess AgNO3AgNO_3

    C

    AgNO3AgNO_3 is added to excess KClKCl

    D

    AgNO3AgNO_3 is added to excess KBrKBr

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Colloidal State
    PYQ YEAR: 2019
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Surface Chemistry, Colloids

    10.

    Alloy is an example of

    A

    Gel

    B

    Solidified emulsion

    C

    Solid solution

    D

    Sol

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Colloidal State
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :mixtures, solutions, colloids, alloys

    company logo

    NEET Subjects

    Our Bots

    Company