Which one of the following statements is incorrect regarding lyophilic sol
High concentration of dispersed phase can be obtained easily
Coagulation is reversible
Viscosity and surface tension are same as dispersion medium
Viscosity is higher than that of dispersion medium & surface tension is lower than that of dispersion medium
Which one of the following is/are true in the formation of emulsion?
i) the liquid in larger proportion act as dispersion of medium
ii) the liquid with higher surface tension forms the dispersion medium
iii) the liquid in which the emulsifying agent is more soluble forms the dispersion medium
iv) an emulsion is formed by vigorous shaking of two immiscible liquids
What are lyophilic and lyophobic colloids? Which of these sols can be easily coagulated on the addition of small amounts of electrolytes?