Rice is ordinarily washed before cooking. When water is added to these, the impurities like dust and soil particles would get separated. ... Rice has a higher density than husk and it goes down at the bottom and husk being lighter goes up on the surface of the water, so this way husk can be separated by handpicking.
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Rice is ordinarily washed before cooking. When water is added to these, the impurities like dust and soil particles would get separated. ... Rice has a higher density than husk and it goes down at the bottom and husk being lighter goes up on the surface of the water, so this way husk can be separated by handpicking.
Source: https://www.bartleby.com/questions-and-answers/4.-what-happened-to-the-impurities-husk-etc.-why-5.-can-the-solid-particles-be-separated-from-the-wa/6a9d1d4b-e425-49c7-a258-662eb7e35137#:~:text=Rice%20is%20ordinarily%20washed%20before,soil%20particles%20would%20get%20separated.&text=Rice%20has%20a%20higher%20density,can%20be%20separated%20by%20handpicking.