When we will apply the following separation methods of mixture.? (AS-1i) Hand pickingii) Sievingii) Magnetic separationiv) Evaporation

When we will apply the following separation methods of mixture.? (AS-1

1.	When we will apply the following separation methods of mixture.? (AS-1i) Hand pickingii) Sievingii) Magnetic separationiv) Evaporation
Answer» <p>i) The method of handpicking can be used for separating slightly larger sized impurities like the pieces of dirt, stone, and husk from wheat, rice or pulses.ii) Magnetic separation is used to separate nails from wood chips.iii) In a flour mill, impurities like husk and stones are removed from wheat by sieving.iv) Salt from sea water is obtained by evaporation.</p> <p> I have a doubt </p> <p>hand picking is the certain answer</p> <p>Please ask </p>