Handpicking is suitable when impurities are:
- a. Very tiny dissolved salt
- b. Large and different looking
- c. Gases only
- d. Always microscopic
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Methods of Separation in Everyday Life — Basics
Everyday separation: handpicking, winnowing, sieving, sedimentation, filtration.
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Winnowing separates:
- a. Heavier grains from lighter husk using wind
- b. Salt from water by magnet
- c. Only colours
- d. Iron from gold by taste
Sieving is based on:
- a. Difference in particle size
- b. Only magnetism
- c. Only colour blindness
- d. Boiling point only
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