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

Code :

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

B. A (2) B (4) C (5) D (3)

C. A (2) B (3) C (4) D (5)

D. A (4) B (5) C (3) D (2)

A (2) Pendulum rods are made of Nickel steel alloy

B (4) Malachite is an ore of Copper and it is green in colour. It is a copper carbonate hydroxide mineral and the formula for malachite is CuCO₃.Cu(OH)₂

C (5) Calamine is an ore of zinc. It is more appropriately called Smithsonite or zinc spar and is represented by the formula ZnCO₃.

D (3) Cryolite is a mineral of aluminium. It is used in the electrolysis of bauxite as a flux to lower the melting point and to increase the conductivity.