Distillation

1. Which one of these devices helps hold liquid on a column tray.

• downcomer
• bubble cap
• sieve
• weir

2. __________ describes the tendency of a substance to vaporize.

• Volatilization
• Relative volatility
• Vapor point
• Flash point

3. __________ distillation is a process in which an entrainer pulls the heavier component of the mixture out of the column through the bottoms product.

• Extractive
• Vacuum
• Azeotropic