Question

When heating begins in miscible solutions, vapors formed will be?

(a) of liquid lower in boiling point

(b) of liquid higher in boiling point

(c) vapors will be of both liquids with a higher concentration of liquid having low boiling point

(d) collected in a gas syringe

This question was posed to me in exam.

My question comes from Evaporator in division Building Blocks of Dairy Processing of Dairy Engineering

Answer 1

Correct answer is (c) vapors will be of both liquids with a higher concentration of liquid having low boiling point

To explain: Vapors will be of both liquids with a higher concentration of liquid having low boiling point as the heating starts in miscible solution.