What are the methods of seperating solid-liquid impurities?

Which of the following are methods of seperation?

What is the process that is used to seperate grain from stalks

________ is the method of seperating slightly large impurities

________ is used to seperate heavier and lighter components of a mixture by blowing air

Does Sieving includes a strainer?

How can we seperate Sugar and Wheat?

TRUE OR FALSE

A mixture of salt and sugar can be seperated by winnowing

Can a solid solid mixture dissolve?

Give an example of an liquid liquid mixture that does not dissolve

Choose an Example of Winnowing

HOTS

When was the first Strainer invented?