Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Chemistry Organic Chemistry – Some Basic Principles and Techniques Methods of Purification of Organic Compounds
The fragrance of flowers is due to the presence of some steam volatile organic compounds called essential oils. These are generally insoluble in water at room temperature but are miscible with water vapour in vapour phase. A suitable method for the extraction of these oils from the flowers is:
1
Steam distillation
2
Crystallisation
3
Distillation under reduced pressure
4
More than one of the above
5
None of the above