Methods of Separating Mixtures

To separate iron filings and sulfur what method should you use?

• filtration 

• sorting

• magnet

• boiling

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

Tags

NGSS.MS-PS1-2

What method of separating mixtures is shown in the picture?

• filtration

• distillation

• physical manipulation

• use of magnet

This method is utilized in industries like junkyards to remove metal scraps from other materials.

• chromatography

• physical manipulation

• use of magnet

• distillation

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

• filter funnel

• sieve

• evaporating basin

• 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 would you use to separate sand from iron filings?

• a bar magnet

• filter paper

• chromatography paper

• alum

Sodium chloride can be separated from rock salt by first adding water to the mixture to dissolve the sodium chloride. The separation then takes place in two stages:

• evaporation followed by filtration

•  distillation followed by decanting

• filtration followed by evaporation

• filtration followed by decanting

How would you separate the ingredients of mixture Z?

• Water

• A magnet

• A sieve

• My hands

What will you do if you want syrup to leave only sugar behind?

• Sublimation

• Evaporation

• Filtration

• Fractional Distillation

Tags

NGSS.MS-PS1-4