At $CMC$,the surface active molecules .........

Most suitable salt which can be used for efficient clotting of blood will be :-

In which of the following is the Tyndall effect more pronounced?

The Zeta potential is related to which property of colloids?

Mixing of positively charged colloidal solution with negatively charged colloidal solution brings $ . . . . . . $. The decreasing order of coagulating power of $Na^{+}$,$Ba^{2+}$ and $Al^{3+}$ for negatively charged colloidal solution is $ . . . . . . $?

When sugar is added to a colloidal solution,it brings about: