| Column-I | Column-II | |---|---| |
CHEMISTRY · Subjective · CBSE · Chemistry · Metals and Non-metals · Metals and Non-metals
Problem
| Column-I | Column-II |
|---|---|
| (A) Haematite | (P) Self reduction |
| (B) Copper pyrites | (Q) Roasting |
| (C) Carnalite | (R) Electrolytic reduction |
| (D) Bauxite | (S) Calcination |
| (T) Reduction by carbon monoxide (mainly) as well as carbon at different temperature. |