Mixtures and solutions

A combination of two or more substances that can be easily separated is a

• solution

• mixture

• solute

• compound

A solution is made when one substance _________ in another.

• settles at the bottom

• moves

• dissolves

• is suspended

Mixtures CANNOT be separated.

• True

• False

A coffee filter can be used to separate a mixture.

• True

• False

What are TWO tools you can use to separate a mixture?

• magnet

• scale

• saw

• hot plate

• weights

Sand and gravel may be separated from each other by using

• a filter funnel

• a sieve

• an evaporating basin

• distillation

Which one of the following solids is insoluble (can't dissolve) in water?

• sugar

• sand

• instant coffee

• salt

The separation technique that involves heating a solution until the liquid changes into a gaseous state, leaving behind a solid is known as

• decanting

• evaporation

• loading

• chromatography

Tags

NGSS.MS-PS1-4

If I added 27 grams of salt to water and separated the solution with a hot plate (heating it up and evaporating the liquid), what amount of salt would be left behind?

• 20 grams

• 0 grams

• 27 grams

• 10 grams

Tags

NGSS.MS-PS1-5

Which of the following is a method of separating solutions?

• hand separation

• filtering

• screening

• evaporation