EASY
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

Match the List I with the List II.
    List I             List II

A. Molarity   1. is the concentration (M) unit for ionic compounds which dissolve in a polar solvent to give pair of ions.

B. Molality    2. is number of gram (m) equivalents of substance dissolve per litre of the solution

C. Formality 3. is the number of (F) moles of the solute dissolved in 1000 of the solvent

D. Normality 4. is the number of (N) moles of solute present in 1 L of the solution

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Important Questions on Chemistry

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 5>Q 12

Match List I (Colloidal dispersion) with List II (Nature of the dispersion) and select the correct answer using the codes given below the List.
    List I           List II

A. Milk        1. Solid in liquid

B. Clouds   2. Liquid in gas

C. Paints    3. Solids in solids

D. Jellies    4. Liquids in liquids

                   5. Liquid in solid

HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 5>Q 14
Which one of the following is not result of surface tension?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 5>Q 15
The solubility of a gas in liquid increases with
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 5>Q 16

Match the List I with the List II.
     List I                                  List II

A. Tyndall effect                 1. Dispersion of finely divided droplets in another liquid

B. Brownian movement     2. Flocculation and settling down of the discharged sol particles.

C. Coagulation                   3. Zig-zag movement executed by a colloidal particle in the dispersion medium.

D. Emulsion                       4. Scattering of light by the particles.

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 5>Q 17

Match the List I with the List II.
     List I                     List II

A. Dialysis             1. Precipitate converts to colloidal solution

B. Peptization        2. Precipitation of colloidal solution

C. Flocculation      3. Protective power

D. Gold number     4. Purification of colloidal solution

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 5>Q 18

Consider the following statements

1. Liquid drops are spherical due to surface tension forces.

2. Surfactants are surface active agents which decrease surface tension e.g. ,Soaps and detergents.

3. Surface tension of a liquid is measured with the help of apparatus called stalgmometer.

Which of the statements given above are correct ?

HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 5>Q 22

Which of the following statements are valid for a solution containing a non-volatile solute?

1. The solution exhibits a lower vapor pressure than that of the pure solvent.

2. The solution exhibits a higher vapor pressure than that of the solvent.

3. The freezing point of the solution is less than that of the solvent.

4. The freezing point of the solution is more than that of the solvent.

Select the correct answer using the codes given below:

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 5>Q 23

Match the List I with the List II.
List I                               List II

A. Cod liver                1. Liquid in a gas

B. Vanishing cream      2. Solid dispersed in gas

C. Fog                       3. Aqueous emulsion

D. Smoke                   4. Water in oil emulsion