1 Kg wheat grains are mixed with 1 Kg mustard seeds. Write suitable method to separate the mustard seeds from wheat grains`

The sizes of mustard seeds and wheat grains are comparably different. Thus, sieving method can be used to separate this mixture. The wheat grains have a larger size compared to mustard seeds, thus wheat grains remain in a sieve, and mustard seeds pass through the sieve, as the size of mustard seeds is very small.

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Science Textbook of Competency Based Questions for Class VI>Chapter 3 - Separation of Substances>Exercise>Q 6

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A beaker contains a mixture of salt, sand, and water.

The mixture is filtered using filter paper.

What is substance 'X'?

Important Questions on Separation of Substances

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Science Textbook of Competency Based Questions for Class VI>Chapter 3 - Separation of Substances>Exercise>Q 7

Write a single separation method by which water can be separated from a mixture of salt, sand, and water.

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Science Textbook of Competency Based Questions for Class VI>Chapter 3 - Separation of Substances>Exercise>Q 8

$1 Kg$ wheat grains are mixed with $1 Kg$ mustard seeds.

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Write suitable method to separate the mustard seeds from wheat grains`

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Science Textbook of Competency Based Questions for Class VI>Chapter 3 - Separation of Substances>Exercise>Q 9

Which of the following is the correct set of apparatus to separate common salt and sand by filtration process:

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Science Textbook of Competency Based Questions for Class VI>Chapter 3 - Separation of Substances>Exercise>Q 10

During summer, Boojho carries water in a transparent plastic bottle to his school. One day, he left his bottle in the school. The bottle still had some water left in it. The next day, he observed some water droplets on the inner surface of the empty portion of the bottle. These droplets of water were formed due to

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Science Textbook of Competency Based Questions for Class VI>Chapter 3 - Separation of Substances>Exercise>Q 11

You might have observed the preparation of ghee from butter and cream at home. Which method(s) can be used to separate ghee from the residue?

(i) Evaporation

(ii) Decantation

(iii) Filtration

(iv) Churning

Which of the following combinations is the correct answer?

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Science Textbook of Competency Based Questions for Class VI>Chapter 3 - Separation of Substances>Exercise>Q 12

A mixture contains camphor powder, sand, iron powder and common salt. Identify the separation methods that are employed to separate the constituents from the mixture.

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Science Textbook of Competency Based Questions for Class VI>Chapter 3 - Separation of Substances>Exercise>Q 13

The constituents of a mixture are present in:

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Science Textbook of Competency Based Questions for Class VI>Chapter 3 - Separation of Substances>Exercise>Q 14

Select an incorrect reason for separating components of a mixture.