गेहूं के दानों को हल्के भूसे के कणों से किस प्रक्रिया द्वारा अलग किया जाता है?

When the heavier component in a mixture settles to the bottom after water is added to it, the process is called .

The process of converting a liquid into its vapour by heating and then condensing the vapour back into liquid by cooling is called: