Class 6 Science Chapter 9 True/False – Methods of Separation in Everyday Life

Class 6 Science Chapter 9 True/False Statement for “Methods of Separation in Everyday Life” (based on NCERT textbook Curiosity ).

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True/False with Answers for Practice – Chapter 9 – Methods of Separation in Everyday Life

This includes True/False normally asked in school exams, tests, and NCERT exercises.

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SET 1 – TRUE/FALSE – Methods of Separation in Everyday Life

1. Handpicking is used when unwanted particles are present in small quantity. — True
2. Threshing is the process of separating grains from the stalks. — True
3. Winnowing separates heavier particles from lighter ones using wind. — True
4. A sieve allows smaller particles to pass through and retains bigger particles. — True
5. Salt can be separated from salt solution by evaporation. — True
6. Sedimentation happens when lighter particles settle at the bottom. — False (heavier particles settle at the bottom)
7. Decantation is pouring out the clear liquid after sedimentation. — True
8. Filtration cannot separate tea leaves from tea. — False (it separates tea leaves easily)
9. Magnetic separation is used when both components are non-magnetic. — False (one must be magnetic)
10. Churning is used to separate butter from curd. — True

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SET 2 – TRUE/FALSE – Methods of Separation in Everyday Life

1. Husk is lighter than grains, hence wind can blow it away. — True
2. Sieving works even when particle sizes are the same. — False (it requires different particle sizes)
3. In filtration, residue remains on the filter paper. — True
4. The filtrate is the insoluble solid left after filtration. — False (filtrate is the clear liquid obtained)
5. A bamboo tray (soop) is used for winnowing. — True
6. Oil and water can be separated by decantation. — True
7. Tea can be completely purified without filtration by sedimentation alone. — False
8. Evaporation converts water into vapour, leaving salt behind. — True
9. Sieving is used in construction to separate sand and pebbles. — True
10. Iron nails can be separated from sawdust using a magnet. — True

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SET 3 – TRUE/FALSE – Methods of Separation in Everyday Life

1. Decantation always removes all insoluble particles. — False (some particles remain)
2. Nasal hair works like a natural filter. — True
3. Masks filter dust particles from air during COVID-19. — True
4. A tea strainer works because of very large holes. — False (it has small holes)
5. A filter paper has very fine pores that trap insoluble particles. — True
6. Churning is also known as the process of making butter. — True
7. Magnetic separation works only when both materials are magnetic. — False (only one needs to be magnetic)
8. Salt solution cannot be separated using evaporation. — False (it is separated by evaporation)
9. Thresher machines can do both threshing and winnowing. — True
10. Sedimentation occurs faster when the mixture is stirred continuously. — False (stirring prevents settling)

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SET 4 – TRUE/FALSE – Methods of Separation in Everyday Life

1. Filtration gives clear water as filtrate. — True
2. Sieving cannot be used when particles differ greatly in size. — False (it works only when they differ in size)
3. Water and oil form two separate layers when left undisturbed. — True
4. In winnowing, heavy grains fall down near the person. — True
5. A mixture of sand and salt can be separated by filtration alone. — False (salt dissolves in water)
6. Decantation is used in cleaning rice and pulses at home. — True
7. Muddy water cannot be filtered using cloth. — False (cloth filtration works partially)
8. Butter floats on buttermilk because it is denser. — False (it floats because it is lighter)
9. Magnetic separation helps in recycling wastes. — True
10. Evaporation needs sunlight or heat to occur. — True

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SET 5 – TRUE/FALSE – Methods of Separation in Everyday Life

1. When tea is left undisturbed, tea leaves settle due to sedimentation. — True
2. Sieving flour removes bran and small stones. — True
3. Winnowing works well in a closed room without wind. — False (wind is necessary)
4. Evaporation helps obtain common salt from seawater. — True
5. A fishing net works on the principle of filtration. — True
6. A mixture of oil and lemon water can be separated by filtration. — False (use decantation)
7. Sedimentation and decantation are used together to purify dirty water. — True
8. All impurities in water can be removed by sieving. — False
9. Iron nails mixed with sand can be separated using a magnet. — True
10. Handpicking is suitable when impurities are in large amounts. — False (suitable only when impurities are small)

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