Question

answer no. 10 urgently ​

Answer 1

Answer:

a: Wind winnowing is an agricultural method developed by ancient cultures for separating grain from chaff. It is also used to remove hay and chaff or other pests from stored grain.

b:Separatory funnels work on the principle that immiscible liquids will separate from each other naturally along with their solutes, creating different layers of solution-solute. For example, a non-polar solute can be extracted from a solution by mixing it with a non-polar solvent in a separation funnel.

c:The principle of fractional distillation is that different liquids boil at different temperature. The miscible liquids boil at different temperature and evaporate at different temperature. When the mixture is heated, the liquid with lower boiling point boils and turns into vapours.

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Explanation: