G6 Q1 Revision

Distillation is made up of ___

• boiling, evaporation and then condensation

• condensation, boiling and evaporation

Distillation is used to separate ______.

• an insoluble solid from its solution.

• a soluble solid from its solution.

Can you separate salt from water using filtration?

• yes
• no

What is a substance that is dissolved in another substance? 

• solution
• solute
• solvent
• compound

Jessica made a pitcher of lemonade. What can she do to dilute if she thinks it doesn't taste right?

• Add water
• Add sugar
• Boil the lemonade
• Put it in the refrigerator 

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

• crystallization
• sublimation
• chromatography
• sedimentation

The diagram shows the chromatogram for three colouring dyes and that for a brown marker. What dye(s) are contained in the marker's ink?

• purple and green
• purple and yellow
• purple only
• green and yellow

If a solid disappears when added to a liquid (like when sugar is stirred in water)... it is said to have...

• Formed a solute
• Dissolved
• Formed a solvent
• Become insoluble

uniform mixture of two or more substances

• solvent
• acid
• solution
• base

The separation technique being used is

• Decanting

• Filtering

• Evaporation

• Distillation