Match the statement given in Column I with the phenomenon given in Column II. Column I Column II A. Dispersion medium moves in an electric field 1. Osmosis B. Solvent molecules pass through a semi-permeable membrane towards the solvent side 2. Electrophoresis C. Movement of charged colloidal particles under the influence of applied electric potential towards oppositely charged electrodes 3. Electroosmosis D. Solvent molecules pass through semi-permeable membranes towards the solution side 4. Reverse osmosis Codes A B C D 1. 2 3 4 1 2. 1 2 3 4 3. 3 4 2 1 4. 4 1 3 2

Subtopic:  Colloidal Solution |
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Match the items given in Column I and Column II.

 Column I Column II A. Protective colloid 1. FeCl3 + NaOH B. Liquid-liquid colloid 2. Lyophilic colloids C. Positively charged colloid 3. Emulsion D. Negatively charged colloid 4. FeCl3 + hot water

Codes

 A B C D 1. 3 2 4 1 2. 1 4 3 2 3. 2 3 4 1 4. 4 1 3 2

Subtopic:  Emulsions |
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Match the items of Column I and Column II.

 Column I Column II A. Whipped cream B. Pumice stone C.  Milk D.  Paints 1. Dispersion of liquid in liquid 2. Dispersion of solid in liquid 3.  Dispersion of gas in solid 4.  Dispersion of gas in liquid

Codes

A          B          C          D

1.       2          3           4          1

2.       1          2           3          5

3.       5          4           3          2

4.       4          3           1          2

Subtopic:  Colloidal Solution |
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Consider the following graph between $\frac{\mathrm{x}}{\mathrm{m}}$ (extent of adsorption) and pressure:

What is the correct relation between T1, T2, and T3?

Subtopic:  Adsorption Isotherm |
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The graph between $\mathrm{log}\frac{\mathrm{x}}{\mathrm{m}}$ vs log p is given below:

What is the value of the slope?

1. ${\left(\frac{1}{2}\right)}^{\mathrm{n}}$

2. n

3. $\frac{1}{\mathrm{n}}$

4.$\frac{1}{{\left(\mathrm{n}\right)}^{2}}$

Subtopic:  Adsorption Isotherm |
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Match the items in Column I and Column II.

 Column I Column II A. Dialysis 1. Cleansing action of soap B. Peptization 2. Coagulation C. Emulsification 3. Colloidal sol formation D. Electrophoresis 4. Purification

Codes

 A B C D 1. 2 3 4 1 2. 1 2 3 4 3. 1 4 3 2 4. 4 3 1 2
Subtopic:  Colloidal Solution | Emulsions |
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Select the correct option based on statements below:

 Assertion (A): Detergents with low CMC are more economical to use. Reason (R): The cleansing action of detergents involves the formation of micelles. These are formed when the concentration of detergents becomes equal to CMC.

 1 Both (A) and (R) are true and (R) is the correct explanation of (A). 2 Both (A) and (R) are true but (R) is not the correct explanation of (A). 3 (A) is true but (R) is false. 4 (A) is false but (R) is true.
Subtopic:  Colloidal Solution |
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Select the correct option based on statements below:

 Assertion (A): The coagulation power of Al3+ is more than Na+. Reason (R): Greater the valency of the flocculating ion added, the greater is its power to cause precipitation (Hardy-Schulze rule)

 1 Both (A) and (R) are true and (R) is the correct explanation of (A). 2 Both (A) and (R) are true but (R) is not the correct explanation of (A). 3 (A) is true but (R) is false. 4 (A) is false but (R) is true.
Subtopic:  Colloidal Solution |
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Select the correct option based on statements below:

 Assertion (A): Colloidal solutions do not show Brownian motion. Reason (R): Brownian motion is responsible for the stability of sols.

 1 Both (A) and (R) are true and (R) is the correct explanation of (A). 2 Both (A) and (R) are true but (R) is not the correct explanation of (A). 3 (A) is true but (R) is false. 4 (A) is false but (R) is true.
Subtopic:  Colloidal Solution |
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Select the correct option based on statements below:

 Assertion (A): An ordinary filter paper impregnated with collodion solution stops the flow of colloidal particles. Reason (R): The pore size of the filter paper becomes larger than the size of the colloidal particle.

 1 Both (A) and (R) are true and (R) is the correct explanation of (A). 2 Both (A) and (R) are true but (R) is not the correct explanation of (A). 3 (A) is true but (R) is false. 4 (A) is false but (R) is true.

Subtopic:  Colloidal Solution |
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