Question

(1)What is chomatography?
(2)Give an application of centrifugation?
(3)A gas fill completely the vessel in which it is kept.Why?

Answer 1

Answer:

(1)ans= Chromatography is a technique for the separetion of a mixture by passing it in solution.

(2)ans = centrifugation method is used in washing machines

Answer 2

Explanation:

(1) Chromatography is the method of separation of coloured substance which separates on basis of their effinity. This process is done in a paper known as Whatsman paper.

(2) Application of centrifugation:

● Seperation of cream from milk

● The medical uses include the separation of blood cells from blood (plasma)

(3)There is very very little attraction between particle of gas. So they move freely in all directions.

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