Separation of Substances

What happens in an evaporation dish?

• Water stays with the mixture.

• Water becomes a solid.

• Water turns into water vapor and is no longer in the dish.

• More water appears.

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The technique of conveying clean liquid without disturbing the sediment is known as?

• Decantation

• Sedimentation

• Condensation

• Sublimation

The method used to separate chaff from the grain by wind or blowing air is called

• winnowing

• decantation

• sedimentation

• saturated solution

How can I get salt out of water after it has dissolved and formed a solution?

• Pour it out through a screen.

• You can't. It's dissolved, it's gone.

• Let the water evaporate, salt will remain

• Pour it through a filter

Tags

NGSS.MS-PS1-2

Solid solutes dissolve faster when it is

• Stirred

• Not Stirred

Tags

NGSS.MS-PS1-2

The process of converting a liquid condition to a gaseous state when heated is known as?

• Condensation

• Sublimation

• Evaporation

• Sedimentation

Tags

NGSS.MS-PS1-4

What are the three common states of matter?

• solid

• liquid

• gas

• water

Tags

NGSS.MS-PS1-4

which type of separation is this

• evoporation

• condensation

• sedmentation

Tags

NGSS.MS-ESS2-4

If the impurities are larger then which separation method is used?

[Assume that the impurities are not always magnetic]

• Magnetic Seperation

• Winnowing

• Sieving

• All of the above

In this mixture, which of the following will be the solute?

• The water in the glass
• The glass that holds the final mixture
• The solution containing both powder and water
• The powder on the spoon