1.

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.........

Answer»

DISTILLATION
crystallisation
Distillation under reduced PRESSURE
Steam distillation

Solution :Sub. (i.e. essential OILS) are insolbule in WATER have high vapour pressure at 373K and hence can be separated by steam distillation


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