Chemistry 10 Term 4 Practice Questions

What is the best method to separate sand from a mixture of sand and salt solution?

• Filtration

• Crystallization

• Chromatography

• Distillation

What process is used to obtain pure water from salt water?

• Filtration

• Distillation

• Crystallization

• Chromatography

Ethanol and water can be separated using:

• Fractional distillation

• Chromatography

• Evaporation

• Filtration

Which method is used to separate colored dyes in ink?

• Filtration

• Crystallization

• Chromatography

• Distillation

Which property allows fractional distillation to separate ethanol and water?

• Solubility

• Boiling point

• Density

• Color

What is the residue when muddy water is filtered?

• Clear water

• Mud

• Sand

• Salt

How do you separate iron filings from a mixture with sand?

• Filtration

• Using a magnet

• Evaporation

• Crystallization

What method is used to separate dissolved sugar from water?

• Chromatography

• Distillation

• Evaporation

• Filtration

A solution of copper(II) sulfate is heated and allowed to cool. What forms?

• Gas

• Blue crystals

• Filtrate

• Precipitate

Salt and sulfur can be separated using:

• Filtration → xylene → filtration

• Crystallization

• Distillation

• Chromatography