Answer:

1. A mixture made of solid particles of different sizes, for example sand and gravel, can be separated by sieving.
2. Evaporation (ata)
3. Sand is non-magnetic whereas iron fillings can be used as magnets. So, they can be separated by a method which uses a magnet for separating a mixture. Magnetic separation is the process which uses magnetic force for the extraction of magnetic material from a mixture.
4. Sedimentation and Decantation The process of settling down of heavier insoluble particles at the bottom of a liquid is called sedimentation. The heaver insoluble particles that settle down at the bottom of the liquid are called sediment.
5. Evaporation is great for separating a mixture (solution) of a soluble solid and a solvent. The process involves heating the solution until the solvent evaporates (turns into gas) leaving behind the solid residue.