Question

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

Column I	Column II
(A) Pendulum	(1) Chrome steel
(B) Malachite	(2) Nickel steel
(C) Calamine	(3) \[\ce{Na3AlF6}\]
(D) Cryolite	(4) \[\ce{CuCO3.Cu (OH)2}\]
	(5) \[\ce{ZnCO3}\]

Options

• A - (1), B - (2), C - (3), D - (4)

• A - (2), B - (4), C - (5), D - (3)

• A - (2), B - (3), C - (4), D - (5)

• A - (4), B - (5), C - (3), D - (2)

Answer 1

A - (2), B - (4), C - (5), D - (3)

Explanation:

Column I	Column II
(A) Pendulum	(2) Nickel steel
(B) Malachite	(4) \[\ce{CuCO3.Cu (OH)2}\]
(C) Calamine	(5) \[\ce{ZnCO3}\]
(D) Cryolite	(3) \[\ce{Na3AlF6}\]