Surface Chemist...

Column chromatography is based on the principle of

Emulsions are colloids formed by immiscible liquids and are stabilised by adding a stabiliser. Insoluble soap acts as a stabiliser because

Which of the following statements is true?

Which of the following factors are responsible for an increase in the rate of a surface-catalysed reaction?

1. A catalyst provides proper orientation for the reactant molecules to react.
2. Heat of adsorption of the reactants on a catalyst helps the reactant molecules to attain the required activation energy.
3. The catalyst increases the activation energy of the reaction.
4. Adsorption increases the local concentration of reactant molecules on the surface of the catalyst.

Which of the following electrolytes will be the most effective in coagulating blood?

The autocatalyst used in the oxidation of oxalic acid by acidified KMnO₄ is

The following question has four choices out of which ONLY ONE is correct.

Which of the following statements is not correct?

The efficiency of enzyme catalysis is due to its capacity to

Which of the following substances does not produce a lyophilic sol with water?

Which of the following acts as a catalytic poison in Haber Process?