Question

B. Fill in the blanks:
1. Benzene and toluene can be separated by .....
2. Greasy spots on a cloth can be removed by ...
3. Mixture of sodium chloride and ammonium chloride can be separated by .........
4. Water and alcohol can be separated by .........
5. Cellulose of paper is the ........ phase and ....... surface while a suitable solvent act as the .........
phase in the separation of pigments of ink by the process of .........​

Answer 1

1. similar boiling nonaromatics by using extractive distillation in which the extractive distillation agent is a proper mixture of organic compounds boiling higher than benzene or toluene.
2. detergent
3. sublimation process
4. evaporation