Separation of Mixtures

How are you going to separate salt from salt water solution?

• by evaporation process

• by decantation process

• by using magnet

• by sieving

Tags

NGSS.MS-PS1-4

How are you going to separate the iron filings from sulfur powder?

• by sieving

• by using magnet

• by decantation process

• by dissolving sulfur to water

Tags

NGSS.HS-PS2-5

How are you going to separated gravels from sand?

• by evaporation process

• by decantation process

• by sieving

• by using magnet

You do not like almond nuts in your vegetable salad. Are you going to do to get rid of those?

• using strainer

• use distillation process

• boil the vegetable salad and let almond evaporate

• pick them one by one

What process of separating mixture is illustrated on the animated gif posted here?

• decantation

• distillation

• evaporation

• condensation

Water changes to water vapor.

• condensation

• evaporation

• precipitation

• sublimation

Tags

NGSS.MS-PS1-4

NGSS.MS-ESS2-4

Dry ice is solid. When it is left under room temperature it gives off gas. What process is this?

• evaporation

• distillation

• decantation

• sublimation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of these is a physical quantity of matter?

• density

• reactivity

• corrosiveness

• flammability

Tags

NGSS.MS-PS1-4

Which of these is a chemical properties of matter?

• color

• boiling point

• melting point

• corrosiveness

Metals can be flattened like a sheet. What do you call this physical property of matter?

• malleability

• flammability

• corrosiveness

• conductivity