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Question

Examples of lyophilic colloids are:

A
albumin
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B
RBC
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C
smoke
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D
metalsulphide
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Solution

The correct options are
A albumin
B RBC
The word meaning of lyophilic means ‘liquid-loving’ or ‘solvent- attracting’. This means that in this colloidal solution there is a strong attraction between the dispersed phase and dispersion medium. If water is used as the dispersion medium, lyophilic sols are called hydrophilic sols.

Starch, gum, gelatin, RBC, egg albumin etc. are examples of lyophilic sols.

Whereas smoke is colloids of solid in gas and metal sulphides are examples of lyophobic colloids (liquid hating).

Hence option A & B are correct.


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