Y8 Chemistry, Mixtures

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

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

Separating mixtures based on boiling points.

• Desalination
• Distillation
• Decantation
• Condensation

Tags

NGSS.MS-PS1-4

Distillation uses two changes of state. what are they?

• Evaporation and condensation
• Evaporation and freezing
• melting and boiling
• sublimation and condensation

Tags

NGSS.MS-PS1-4

This diagram represents...

• An element

• A molecule

• A compound

• A mixture of elements and compounds

Tags

NGSS.MS-PS1-1

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

Tags

NGSS.MS-PS1-1

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

Tags

NGSS.MS-PS1-1

Water and alcohol are easily separated by distillation because of their

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

Tags

NGSS.MS-PS1-4

Which one of the following techniques would best be used to separate soil and water?

• crystallization

• distillation

• Filtration

• Chromatography

A mixture of one substance dissolved evenly throughout another

• Colloid

• Emulsion

• Solution

• Suspension

A mixture of food dye in water is called a

• colloid

• suspension

• emulsion

• solution