| Column I | Column II |
| (A) Pendulum | (1) Chrome steel |
| (B) Malachite | (2) Nickel steel |
| (C) Calamine | (3) Na3AlF6 |
| (D) Cryolite | (4) CuCO3.Cu(OH)2 |
| (5) ZnCO3 |
| Column I | Column II |
| (A) Pendulum | (2) Nickel steel |
| (B) Malachite | (4) CuCO3.Cu(OH)2 |
| (C) Calamine | (5) ZnCO3 |
| (D) Cryolite | (3) Na3AlF6 |