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Methods of Separation of Substances

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Handpicking, Winnowing, and Sieving

Subtopic

Handpicking, Winnowing, and Sieving under Methods of Separation of Substances for Grade 6 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of these is the most common reason for separating substances?

    A.

    To make the mixture colorful

    B.

    To remove non-useful or harmful components

    C.

    To increase the weight of the substance

    D.

    To change the state of matter

  2. 2.

    If you have a mixture of wheat flour and iron nails, which of the following methods can remove the nails?

    A.

    Handpicking

    B.

    Sieving

    C.

    Winnowing

    D.

    Both A and B

  3. 3.

    Which method depends on the components having a significant difference in their weights?

    A.

    Handpicking

    B.

    Sieving

    C.

    Winnowing

    D.

    Evaporation

Download the worksheet for Methods of Separation of Substances - Handpicking, Winnowing, and Sieving to practice offline. It includes additional chapter-level practice questions.

Sedimentation, Decantation, and Filtration

Subtopic

Sedimentation, Decantation, and Filtration under Methods of Separation of Substances for Grade 6 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of the following is an example of a filter used in a kitchen?

    A.

    Tongs

    B.

    Strainer

    C.

    Rolling pin

    D.

    Knife

  2. 2.

    A mixture of kerosene and water can be separated using:

    A.

    Filtration

    B.

    Winnowing

    C.

    Decantation

    D.

    Sieving

  3. 3.

    What is the common feature between sedimentation and decantation?

    A.

    They both require boiling

    B.

    They both involve separating insoluble solids from liquids

    C.

    They both require a filter paper

    D.

    They both use wind

Download the worksheet for Methods of Separation of Substances - Sedimentation, Decantation, and Filtration to practice offline. It includes additional chapter-level practice questions.

Evaporation and Condensation

Subtopic

Evaporation and Condensation under Methods of Separation of Substances for Grade 6 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Is evaporation a slow process or a fast process compared to boiling?

    A.

    Always faster

    B.

    Usually slower

    C.

    The same speed

    D.

    It never happens

  2. 2.

    What do we call the tiny droplets of water that form on a cold surface?

    A.

    Steam

    B.

    Condensate

    C.

    Salt

    D.

    Gas

  3. 3.

    Which of the following will not change during the process of evaporation of a salt solution?

    A.

    The amount of water

    B.

    The amount of salt

    C.

    The temperature of the solution

    D.

    The volume of the liquid

Download the worksheet for Methods of Separation of Substances - Evaporation and Condensation to practice offline. It includes additional chapter-level practice questions.

Methods of Separation of Substances - Class 6 Science (CBSE) | Krit.club