Question

The process of settling down particles of a solid in a liquid is called

• A. Decantation
• B. Sedimentation
• C. Threshing
• D. Winnowing

Answer 1

The correct option is B

Sedimentation

Explanation for correct option

(B) Sedimentation

• When the heavier component in a mixture settles after water is added to it, the process is called sedimentation.
• In this process, particles of a solid settle down in a liquid.

Explanation for incorrect option

• Decantation is the process of removing both the water and the dust.
• Threshing is the process of separating grains from stalks with the aid of machinery, bullocks, or striking.
• By using wind or air currents, heavier and lighter components are separated during winnowing. used to remove the husk from the grain.
• Hence, options (A), (C), and (D) are incorrect.

Hence, option(B) is correct. The process of settling down particles of a solid in a liquid is called sedimentation.