Separation of Substances Practice Questions

Class 6 · Science · 1235 free MCQs with instant results and detailed explanations.

1235

Total

396

Easy

614

Medium

225

Hard

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Topics in Separation of Substances

Sedimentation 252

Filtration 243

Sieving 235

Evaporation 256

Handpicking 249

Sample Questions from Separation of Substances

Here are 10 sample questions. Start a quiz to get randomized questions with scoring.

Easy

What is handpicking in the context of separating substances?

A. Using a magnet to attract iron.

B. Manually removing unwanted materials.

C. Dissolving substances in water.

D. Using a sieve to filter sand.

Show Answer & Explanation

Correct Answer: B

Handpicking involves manually separating unwanted materials from a mixture.

Easy

Which of the following mixtures is best suited for handpicking?

A. Salt and sugar.

B. Pebbles and rice.

C. Sand and water.

D. Ink and water.

Show Answer & Explanation

Correct Answer: B

Pebbles can be easily separated from rice by handpicking due to their size difference.

Easy

In which situation would handpicking be an effective method of separation?

A. When separating dissolved salt from water.

B. When separating large stones from grains.

C. When mixing sugar and water.

D. When filtering tea leaves from tea.

Show Answer & Explanation

Correct Answer: B

Handpicking is effective for larger, visible materials like stones in grain.

Medium

Which of the following is an example of handpicking as a method of separation?

A. Sorting grains from husk

B. Evaporating salt from water

C. Filtration of sand from water

D. Use of a magnet to separate iron filings

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Correct Answer: A

Handpicking involves manually sorting materials, like separating clean grains from husk.

Medium

In which situation would handpicking be the most effective method?

A. Separating sugar from tea

B. Removing stones from rice

C. Filtering juice from pulp

D. Distilling alcohol

Show Answer & Explanation

Correct Answer: B

Handpicking is effective for removing larger impurities, like stones from rice.

Medium

Why is handpicking not suitable for separating small particles?

A. It is time-consuming

B. It requires special tools

C. Small particles are hard to see

D. It cannot be done at all

Show Answer & Explanation

Correct Answer: C

Small particles are difficult to identify and pick out by hand, making this method ineffective.

Medium

When separating a mixture of fruits and leaves, which separation method is appropriate?

A. Handpicking

B. Filtration

C. Evaporation

D. Chromatography

Show Answer & Explanation

Correct Answer: A

Fruits and leaves can be manually sorted due to their size difference, making handpicking suitable.

Hard

Which of the following methods is best suited for separating a mixture of sand and iron filings?

A. Handpicking

B. Magnetism

C. Filtration

D. Evaporation

Show Answer & Explanation

Correct Answer: B

Magnetism is the most effective method here, as iron filings will be attracted to a magnet while sand will not.

Hard

Which scenario best illustrates the use of handpicking in separation?

A. Separating rice from stones.

B. Filtering coffee grounds from liquid.

C. Evaporating salt from seawater.

D. Using a centrifuge for blood separation.

Show Answer & Explanation

Correct Answer: A

Handpicking is effectively used to separate visible foreign objects like stones from rice.

Q10

Hard

In which of the following mixtures would handpicking be most inefficient?

A. A mixture of large stones and pebbles.

B. A mixture of grains with small debris.

C. A mixture of colored beads of similar size.

D. A mixture of leaves and twigs.

Show Answer & Explanation

Correct Answer: C

When the objects are of similar size and color, handpicking becomes inefficient as it is difficult to distinguish them.

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Separation of Substances — Class 6 Science Practice Questions Online

This page contains 1235 practice MCQs for the chapter Separation of Substances in Class 6 Science. The questions are organized by difficulty — 396 easy, 614 medium, 225 hard — so you can choose the right level for your preparation.

Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit. This chapter covers 5 topics, giving you comprehensive coverage of the entire chapter.