$$ \text { Match the following } $$

$$ \begin{array}{clll} \hline & \text { List-I (Compound) } & & \text { List-II (Use) } \\ \hline \text { (A) } & \text { Kieselghur } & \text { (I) } & \text { Chromatographic material } \\ \hline \text { (B) } & \text { Silica gel } & \text { (II) } & \text { Softening of hard Water } \\ \hline \text { (C) } & \text { ZSM-5 } & \text { (III) } & \text { Filtration plants } \\ \hline \text { (D) } & \text { Hydrated zeolites } & \text { (IV) } & \begin{array}{l} \text { To convert alcohol directly } \\ \text { into gasoline } \end{array} \\ \hline \end{array} $$

The correct answer is

Identify the catalytic reaction in which both reactants are in different phases.

Consider the following.

Statement-I : Gold sol is prepared by Bredig's arc method.

Statement-II : Bredig's arc method involves only dispersion but not condensation.

The correct answer is

Identify the correct statement from the following

I. Sulphur sol is an example for multi molecular colloid.

II. Starch sol is an example for associated colloid.

III. Artificial rubber is an example for macromolecular colloid.