Separating techniques

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 

Which one of the following solids is insoluble in water?

• sugar
• sand
• copper sulfate
• salt

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

Filtering is

• Separating a soluble solid and solvent

• When one liquid is changed to another liquid

• 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

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

• Chromatography
• Filtration
• Distillation
• Evaporation

In filtration, the liquid part collected is called the filtrate and the solid bit that remained on the filter paper is called the residue.
In filtration, what is the part that remains called?

• Solid
• Filtrate
• Remainder
• Residue