Match the Group - I with Group - II and select the correct answer using the codes given below.
| Group - I (metal ores) | |
| Group - II (ore types) | |
| P. Galena | 1. sulphide |
| Q. Dolomite | 2. silicate |
| R. Mica | 3. oxide |
| S. Pyrolucite | 4. carbonate |
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