Mixtures, Solutions, and Separation Methods

Which one of the following techniques would best be used to separate soil and water?

• Decanting
• distillation
• Filtration
• Chromatography

Which one of the following solids is insoluble in water?

• sugar
• sand
• copper sulfate
• salt

Two or more substances mingled together, but not chemically combined are known as a

• residue
• solution
• distillate
• mixture

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-PS1-2

NGSS.MS-PS1-4

Which one of the following methods is used to separate the colors in food dyes?

• winnowing

• Threshing

• Crystallization

• chromatography

When we combined the sand and water together, it formed a _________.

• mixture
• solution

To separate sand and iron filings you would use a  ___________.

• a screen strainer
• coffee filter paper
• a magnet
• your hands

A salad is an example of which?

• element
• compound
• mixture
• solution

What does this picture represent?

• mixture
• solution

Tags

NGSS.MS-PS1-1

Which statement describes a mixture?

• 2 or more substances that CANNOT be easily separated
• 2 or more substances that CAN be easily separated
• An example of a mixture is lemonade
• An example of a mixture is a Kool-Aid