C2.1.5 - Distillation

Question 1

What does simple distillation do?

Answer 1

Separates solvent from solution

Question 2

What does fractional distillation do?

Answer 2

Separates (pure) liquid from mixture of (several) liquids

Question 3

Describe simple distillation

Answer 3

1) Heat solution, let solvent vapour evaporate
2) Gas moves away, cooled and condensed
3) Remaining solution more concentrated in solute because solvent decreased

Question 4

Why does simple distillation work?

Answer 4

Because it relies on the solute and solvent having a high difference in boiling points