Pupil sheet · Distillation
Distillation — return questions
Name ______________________ Date ____________
Use one to two weeks after the lessons. Keep the notes and the lesson closed.
1. explain
Keep the diagram closed. Explain how distillation recovers water. Describe coolant flow and state what the thermometer bulb measures.
2. explain
From memory, explain how the column improves separation even though both liquids can enter vapour.
3. explain
After a break, choose simple or fractional distillation for each goal. (a) Recover water from salt solution. (b) Separate two miscible volatile liquids with close boiling points. Explain both choices.