Question

Which of the following is an application of centrifugation?

• A. Pathological test of blood and urine
• B. Preparing lactic cultures
• C. Washing machine
• D. All of above

Answer 1

The correct option is D

All of above

Explanation for correct option:

D. All of above

Centrifugation:

• Some solid particles can not be separated through filter paper or the filtration process. Such mixtures can be separated by using centrifugation.
• Principle of centrifugation: “The principle is that the denser particles are forced to the bottom and the lighter particles stay at the top when spun rapidly.”

Applications of Centrifugation:

• Used in washing machines to squeeze out water from wet clothes.
• Used in preparing lactic cultures.
• Used in a pathological test of blood and urine.
• This technique is used in diaries to separate butter from milk.

Hence, the correct option is D i.e. All of the above.