6.2 Mixtures

Which one of the following would you use to separate sand from iron filings?

• a bar magnet
• filter paper
• chromatography paper
• alum

Which of the following pairs of substances may best be separated through distillation

•  sand and soil
• water and soil
• salt and sand
•  water and alcohol

Separating mixtures based on boiling points.

• Desalination
• Distillation
• Decantation
• Condensation

Distillation uses two changes of state. what are they?

• Boiling and condensation

• Evaporation and condensation

• Evaporation and boiling

• Sublimation and condensation

This diagram represents...

• An element

• A molecule

• A compound

• A mixture of elements and compounds

• element
• compound
• mixture of elements
• mixture of compounds

Water and alcohol are easily separated by distillation because of their

• different densities
• different boiling points
• different colours
• different melting points

Label part 1

• Thermometer

• Fractionating column

• condenser

A mixture consists of_______

• two or more elements or compound mixed chemically

• two or more elements or compound mixed physically

• only one type of element

Mixture can be separated ____________

• physically

• chemically