Question

When the liquid is spun rapidly, the denser particles are forced to the bottom and the lighter particles stay at the top. This principle is used in: *

1 point

Centrifugation

Fractional distillation

Evaporation

Tunneling

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Answer 1

Answer:

Centrifugation

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Answer 2

Denser particles are forced to the bottom and the lighter particles stay at the top when rapidly spun in the principle of centrifugation.

• Centrifugation is a separation technique used when the filtration technique fails.
• Filtration cannot be used in separating extremely small particles since these particles transfer easily through the filter paper.
• Thus, centrifugation is used in cases where particle size is less than five micrometers
• Centrifugation obeys the principle of sedimentation.
• In the sedimentation process, denser particles get deposited at the bottom under the influence of gravity.
• Therefore, centrifugation uses the centrifugal force and sedimentation technique together to separate particles of different sizes and densities present in a liquid through rapid spinning.