Best first step for iron + sand + salt solid mix often:
- a. Magnet for iron
- b. Filter air
- c. Winnow salt vapour
- d. Thresh molecules
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Methods of Separation in Everyday Life — Practice
Multi-step separations, evaporation, and choosing methods by properties.
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Cream from milk traditionally can use:
- a. Centrifugation idea / churning related separation
- b. Only magnets
- c. Only sieving milk molecules
- d. Winnowing milk in field wind only
Loading (alum) in water treatment helps:
- a. Fine clay clump and settle faster
- b. Dissolve more mud
- c. Magnetise water
- d. Boil without heat
31 more questions in the full sheet.