which of the following is an example of absorption 602031069

Which of the following is an example of absorption?

A. Water on silica gel

B. Water on calcium chloride

C. Hydrogen on finely divided nickel

D. Oxygen on metal surface

Answer : Water on calcium chloride

Solution :
Anhydrous calcium chloride acts as a dehydrating agent, it removes water by the process of absorption.

Releted MCQ Question on
Physical Chemistry >> Surface Chemistry

Releted Question 1

Rate of physiorption increases with

A. decrease in temperature

B. increase in temperature

C. decrease in pressure

D. decrease in surface area

View Answer

Releted Question 2

Adsorption of gases on solid surface is generally exothermic because

A. enthalpy is positive

B. entropy decreases

C. entropy increases

D. free energy increases

View Answer

Releted Question 3

Lyophilic sols are

A. Irreversible sols

B. They are prepared from inorganic compound

C. Coagulated by adding electrolytes

D. Self-stabilizing

View Answer

Releted Question 4

Among the following, the surfactant that will form micelles in aqueous solution at the lowest molar concentration at ambient condition is : -

A. $$C{H_3}{\left( {C{H_2}} \right)_{15}}{N^ + }{\left( {C{H_3}} \right)_3}B{r^ - }$$

B. $$C{H_3}{\left( {C{H_2}} \right)_{11}}OSO_3^ - N{a^ + }$$

C. $$C{H_3}{\left( {C{H_2}} \right)_6}CO{O^ - }N{a^ + }$$

D. $$C{H_3}{\left( {C{H_2}} \right)_{11}}{N^ + }{\left( {C{H_3}} \right)_3}B{r^ - }$$

View Answer

Which of the following is an example of absorption?

Releted MCQ Question on
Physical Chemistry >> Surface Chemistry

Rate of physiorption increases with

Adsorption of gases on solid surface is generally exothermic because

Lyophilic sols are

Among the following, the surfactant that will form micelles in aqueous solution at the lowest molar concentration at ambient condition is : -

Practice More Releted MCQ Question on
Surface Chemistry

Practice More MCQ Question on Chemistry Section

Which of the following is an example of absorption?

Releted MCQ Question on Physical Chemistry >> Surface Chemistry

Rate of physiorption increases with

Adsorption of gases on solid surface is generally exothermic because

Lyophilic sols are

Among the following, the surfactant that will form micelles in aqueous solution at the lowest molar concentration at ambient condition is : -

Practice More Releted MCQ Question on Surface Chemistry

Practice More MCQ Question on Chemistry Section

Releted MCQ Question on
Physical Chemistry >> Surface Chemistry

Practice More Releted MCQ Question on
Surface Chemistry