Multiple choice

Which component is removed from rice by sedimentation?

  1. Dust

  2. Stones

  3. Sawdust

  4. Husk
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A solid substance is not soluble and is heavier than the liquid, it will settle down at the bottom and the process is known as sedimentation. This process is helpful in removing impurities e.g. dust particles from rice as rice being heavier settle down and dust being lighter stays at the surface and can be easily removed. 

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