1.

    Which of the following methods is NOT suitable for concentrating a protein solution?

    A

    Simple distillation

    B

    Ultrafiltration

    C

    Lyophilization

    D

    Dialysis against a concentrated polymer solution

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Concentration Methods
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Biomolecules, Separation Techniques

    Related Questions

    1.

    Which method is best suited for separating a mixture of two immiscible liquids with different densities?

    A

    Distillation

    B

    Separating funnel

    C

    Chromatography

    D

    Sublimation

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Concentration Methods
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Separation Techniques, Immiscible Liquids, Density, Separating Funnel

    2.

    If we dissolve 20g of NaOH in 200ml of water, what will be the mass percentage of NaOH in the solution (assuming the density of water is 1g/ml)?

    A

    9.09%

    B

    10%

    C

    11.11%

    D

    20%

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Concentration Methods
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Solutions, Concentration, Mass Percentage, Density

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