Surface Chemistry - Result Question 11

####11. Among the colloids cheese $(C)$, milk $(M)$ and smoke $(S)$, the correct combination of the dispersed phase and dispersion medium, respectively is

(2019 Main, 11 Jan II)

(a) $C:$ liquid in solid; $M$ : liquid in liquid; $S:$ solid in gas

(b) $C:$ solid in liquid; $M:$ liquid in liquid; $S:$ gas in solid

(c) $C:$ liquid in solid; $M$ : liquid in solid; $S:$ solid in gas

(d) $C:$ solid in liquid; $M:$ solid in liquid; $S:$ solid in gas

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Answer:

Correct Answer: 11. (d)

Solution:

Dispersed
phase
Dispersion
medium
Type of
colloid
Examples
Liquid Solid Gel Cheese (C), butter,
jellies
Liquid Liquid Emulsion Milk (M), hair cream
Solid Gas Aerosol Smoke (S), dust

Thus, $C$ : liquid in solid, $M$ : liquid in liquid and $S$ : solid in gas.



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