Separating Substances

Sand and gravel may be separated from each other through using..

• a filter funnel
• a sieve
• an evaporating basin
• a distillation

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

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

Making a mixture results in ___________________ only.

• chemical reactions
• separate parts
• physical changes
• two subtances

How would you separate the ingredients of mixture Z?

• Water
• A magnet
• A sieve
• My hands

Tags

NGSS.MS-PS1-2

How would you separate a mixture of sand and salt? 

• Mix them with water and let the water evaporate
• Mix them with water, pour the mixture through a sieve, then let the water evaporate
• Heat the sand and salt mixture for 5 minutes, then let it cool
• I would not do any of these because none of these options would work

Can you separate salt from water using filtration?

• yes
• no

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

• residue
• solution
• distillate
• mixture

What is the boiling point of water?

• 0^oC
• 100^oC
• 80^oC
• 95^oC

Tags

NGSS.MS-PS1-4