Chemistry 12 Chapter 6 General Principles and Processes of Isolation of Elements Part 5

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V. Matching Type

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

Question 45:

Match the items of Column I with items of Column II and assign the correct code:

Match the items of column

Column I

Column II

(A)

Pendulum

(1)

Chrome steel

(B)

Malachite

(2)

Nickel steel

(C)

Calamine

(3)

(D)

Cryolite

(4)

(5)

Code :

(i)

(ii)

(iii)

(iv)

Answer: (ii)

Question 46:

Match the items of Column I with the items of Column II and assign the correct code:

Match the items

Column I

Column II

(A)

Coloured bands

(1)

Zone refining

(B)

Impure metal to volatile complex

(2)

Fractional distillation

(C)

Purification of and

(3)

Mond Process

(D)

Purification of mercury

(4)

Chromatography

(5)

Liquation

Code:

(i)

(ii)

(iii)

(iv)

Answer: (ii)

Question 47:

Match items of Column I with the items of Column II and assign the correct code:

Match the items of column

Column I

Column II

(A)

Cyanide process

(1)

Ultrapure

(B)

Froth Floatation Process

(2)

Dressing of

(C)

Electrolytic reduction

(3)

Extraction of

(D)

Zone refining

(4)

Extraction of

(5)

Purification of

Code:

(i)

(ii)

(iii)

(iv)

Answer: (i)

Question 48:

Match the items of Column I with the items of Column II and assign the correct code:

Match the items of column

Column I

Column II

(A)

Sapphire

(1)

(B)

Sphalerite

(2)

(C)

Depressant

(3)

(D)

Corundum

(4)

(5)

Code:

(i)

(ii)

(iii)

(iv)

Answer: (i)

Question 49:

Match the items of Column I with items of Column II and assign the correct code:

Match the items of column

Column I

Column II

(A)

Blisterred

(1)

Aluminium

(B)

Blast furnace

(2)

(C)

Reverberatory furnace

(3)

Iron

(D)

Hall-Heroult process

(4)

(5)

Code:

(i)

(ii)

(iii)

(iv)

Answer: (i)