Match column I (method of concentration) with column II (principle involved) and select the appropriate option from the given codes.
| Column I |
Column II |
| P. Hydraulic washing |
(i) Difference in the wetting properties of ore and gangue particles |
| Q.Froth floatation process |
(ii )Difference in magnetic properties of ore and gangue particles |
| R. Magnetic separation |
(iii) Difference in the densities of ore and gangue particles |
| S. Baeyer's process |
(iv) Difference in chemical properties of ore and gangue particles |
(A) P-(i), Q-(iii), R-(ii), S-(iv)
(B) P-(iii), Q-(i), R-(ii), S-(iv)
(C) P-(ii), Q-(iii), R-(iv), S-(i)
(D) P-(iv), Q-(ii), R-(iii), S-(i)
