| Column I | Column II |
| P. Solubility | i. Reverse phase chromatography |
| Q. Ionic charge | ii. Ultracentrifugation |
| R. Polarity | iii. Salting out |
| S. Molecular size | iv. Isoelectric focusing |
| v. Gel electrophoresis |
| Column I | Column II |
| P. Solubility | i. Reverse phase chromatography |
| Q. Ionic charge | ii. Ultracentrifugation |
| R. Polarity | iii. Salting out |
| S. Molecular size | iv. Isoelectric focusing |
| v. Gel electrophoresis |