Chemistry 12 Chapter 5 Exemplar Solutions Surface Chemistry Part 6 (For CBSE, ICSE, IAS, NET, NRA 2022)

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IV. Matching Type

Note: Match the items of Column I and Column II in the following questions.

Question 67:

Method of formation of solution is given in Column I. Match it with the type of solution given in Column II.

Method of Formation
Column IColumn II
(i)Sulphur vapours passed through cold water(a)Normal electrolyte solution
(ii)Soap mixed with water above critical micelle concentration(b)Molecular colloids
(iii)White of egg whipped with water(c)Associated colloid
(iv)Soap mixed with water below critical micelle concentration(d)Macro molecular colloids

Answer:

Question 68:

Match the statement given in Column I with the phenomenon given in Column II.

The Phenomenon
Column IColumn II
(i)Dispersion medium moves in an electric field(a)Osmosis
(ii)Solvent molecules pass through semi permeable membrane towards solvent side(b)Electrophoresis
(iii)Movement of charged colloidal particles under the influence of applied electric potential towards oppositely charged electrodes(c)Electroosmosis
(iv)Solvent molecules pass through semi permeable membranes towards solution side(d)Reverse osmosis

Answer:

Question 69:

Match the items given in Column I and Column II.

Match the Items
Column IColumn II
(i)Protective colloid(a)
(ii)Liquid - liquid colloid(b)Lyophilic colloids
(iii)Positively charged colloid(c)Emulsion
(iv)Negatively charged colloid(d)

Answer:

Question 70:

Match the types of colloidal systems given in Column I with the name given in Column II.

Match the Types of Colloidal Systems
Column IColumn II
(i)Solid in liquid(a)Foam
(ii)Liquid in solid(b)Sol
(iii)Liquid in liquid(c)Gel
(iv)Gas in liquid(d)Emulsion

Answer:

Question 71:

Match the items of Column I and Column II.

Match the Items of Column
Column IColumn II
(i)Dialysis(a)Cleansing action of soap
(ii)Peptisation(b)Coagulation
(iii)Emulsification(c)Colloidal sol formation
(iv)Electrophoresis(d)Purification

Answer:

Question 72:

Match the items of Column I and Column II.

Match the Items of Column
Column IColumn II
(i)Butter(a)Dispersion of liquid in liquid
(ii)Pumice stone(b)Dispersion of solid in liquid
(iii)Milk(c)Dispersion of gas in solid
(iv)Paints(d)Dispersion of liquid in solid

Answer: