select correct statement (s) :
lyophobic colloids are used to protect lyophillic colloids,
Dehydrating agent is used to coagulation sols,
Rubber is obtained by coagulation of latex,
sometimes ,the rainfall occurs when two oppositely charged clouds meet.
A
lyophobic colloids are used to protect lyophilic colloids
B
Dehydrating agent is used to coagultion sols
C
Rubber is obtained by coagultaion of latex
D
sometimes ,the rainfall occurs when two opositely charged clods meet
