What type of colloid is fog?

In the measurement of gold number,the useful electrolyte is

What happens when a lyophilic sol is added to a lyophobic sol?

Gold sol is not a

Which of the following nanomaterials has two dimensions less than $100 \ nm$?

Coagulating value of electrolytes $AlCl_3$ and $NaCl$ for $As_2S_3$ are $0.09$ and $50.04$ respectively. The coagulating power of $AlCl_3$ is $x$ times the coagulating power of $NaCl$. The value of $x$ is $.......$.