A) Brownian movement and Tyndall effect are shown by colloidal systems.
B) Gold number is a measure of the protective power of a lyophillic colloid.
C) The colloidal solution of a liquid in liquid is called gel.
D) Hardy - Schuize rule is related with coagulation.
Correct Answer: C
Solution :
[c] Liquid - liquid system is known as emulsion.
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