State the principle used in separating different components of a mixture by centrifuge . Write its application also.

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Solution

Centrifugation is defined as the process of separating the components of a mixture by continuously agitating the mixture at a very high speed. The principle is that the denser particles are forced to the bottom and the lighter particles stay at the top when spun rapidly.
It is used to separate cream from milk or butter from cream, squeeze out water from clothes, to separate colloidal particles from their solutions.
It is used in diagnostic labs for blood and urine test.

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Q. State the principal used in separating different components of mixture by the method of centrifugation.

(A) Identify the solute and solvent in the following solutions :
(i) aerated drinks
(ii) tincture of iodine
(iii) lemon water

(B) State the principle for each of the following methods of separation of mixtures.
(i) centrifugation method
(ii) separation using separating funnel

Write the principle and applications of the following methods of separation:

(a) Separating funnel

(b) Centrifugation

A homogeneous mixture and its components can be separated by the technique known as centrifugation.

Difference in size of particles is used to separate a mixture into its constituent components, by the process of:

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