Purification Techniques

What are the purification techniques you've learned today? Tick ALL of the relevant answers.

• Distillation

• Demineralization

• Reverse Osmosis

• Ionisation

• Desalination

How many fractions would a distillation process will minimally produce?

In distillation, which fraction would come out at the top and bottom respectively?

• Top - volatile Bottom - least volatile

• Top - least volatile Bottom - volatile

When the top fraction is captured in distillation process, in what form does it exist in?

What does it mean by volatility?

• How readily a substance vaporises

• How readily a substance liquidifies

• How readily a substance solidifies

• How readily a substance sublimes

What component in distillation process that allows vapor to turn back into liquid once top fraction is separated?

• Condenser

• Reflux drum

• Reboiler

• Distillation column

In distillation process, the fractions are separated by the differences in _____ point.

In distillation, what do you call the top fraction which contain the most volatile component?

In distillation, what do you call the bottom fraction that contain the least volatile component?

• distillate

• residue

• vapour

• feed

Which type of distillation is being practiced in the refining industry?

• Continuous distillation

• Batch distillation