Total method of separation

Methods of separation of components of a mixture are:

• Hand picking means ‘to take out by hand’.
• Threshing is the process in which stalks are beaten to separate grains from the stalks, and from the chaff that covers the grains.
• Winnowing is the method of separating husk from grains with the help of wind.
• A sieve is a shallow vessel having small holes at its bottom.
• The method of separating a mixture by using a sieve is called sieving.
• The solid matter which settles down at the bottom of a liquid is called sediment.
• The deposition of a solid matter at the bottom of a liquid is called sedimentation.
• The pouring out of a liquid from a vessel without disturbing the sediment is called decantation.
• The process of removing insoluble solids from a liquid by using a filter paper is called filtration.
• The changing of a liquid into vapours is called evaporation.