End of Chemistry Unit 2024

Filtering is used when:

• Separating a soluble solid and solvent

• separating magnetic objects from non-magnetic items

• Separating solids from liquids

• Separating an insoluble solid from a liquid

The separation technique being used is

• Decanting

• Filtering

• Evaporation

• Distillation

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

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

Which one of the following solids is insoluble in water?

• sugar
• sand
• copper sulfate
• salt

Name the separation method that causes wet clothes on a clothes line to dry

• Chromatography
• Filtration
• Distillation
• Evaporation

Dyes in water soluble markers may be separated by means of..

• crystallization
• sublimation
• chromatography
• sedimentation

Evaporation is a separating technique used to:

• Separate a solute from a solvent.

• change one liquid to another liquid

• Separate an insoluble solid from a liquid

• Separate solids from liquids

The separation technique being used is

• Filtering

• Distillation

• Evaporation

• Decanting

A gas

• has a definite shape but no definite volume
• has a definite volume but no definite shape
• has fast-moving particles

What is happening when my ice cream changes from a solid to a liquid?

• freezing
• melting
• burning
• evaporation