A) A sol
B) An emulsion
C) A gel
D) A foam
Correct Answer: C
Solution :
\[\underset{\begin{smallmatrix} \text{(Dispersed}\, \\ \,\,\,\,\,\,\,\,\,\text{phase)} \end{smallmatrix}}{\mathop{\text{Liquid}}}\,\,\,\,+\,\,\,\underset{\begin{smallmatrix} \text{(Dispersion}\, \\ \,\,\,\,\,\text{medium} \end{smallmatrix}}{\mathop{\text{Solid}}}\,=\underset{\text{(Colloid)}}{\mathop{\text{Gel}}}\,\](e.g. Butter)
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