Question
Match the following:
| Process | Used in the purification/separation of | ||
| i. | Crystallization | a. | Acetone and benzene |
| ii. | Simple distillation | b. | Benzoic acid and water |
| iii. | Fractional distillation | c. | Impure copper sulphate |
| iv. | Solvent extraction | d. | Acetone and water |