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Q.

A sample of red ink (a colloidal suspension) is prepared by mixing eosin dye, egg white, HCHO and water. The component which ensures stability of the ink sample is:

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a

Eosin dye

b

HCHO

c

Egg white

d

Water

answer is C.

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Detailed Solution

Egg white contain Albumin which is a lyophylic colloid which ensures stability of the ink sample.

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