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Answer 1

Answer:

1) The method of separation used to separate sunflower seeds from their dry flower heads is called threshing and winnowing.

2) Filtration is used to seperate fine wood ash from water.

3) The method of separation which is used to separate weeds from beans is known as weeding..

4) Separating the seed from the stem is quite simple with Brown Mustard Seed. Simply rub the stems between your hands over a bucket or basin. The pods break apart and fall into the bucket. Then comes winnowing.

5) The rice or pulses, being heavy ,remain at the bottom of the vessel and dirty water is separated by decantation by tilting the vessel to one side. 

6) Evaporation is used to separate a soluble solid from a liquid. For example, copper sulfate is soluble in water .

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