Separation of Mixtures

Separation of Mixtures

How do we separate Homogeneous and Heterogeneous mixtures??

Multiple Choice

Are made from a combination of 2 or more elements...

• Molecules

• Pure Substances

• Compounds

• Elements

Multiple Choice

A combination that can be separated by physical processes is a .....

• Pure Substance

• Glucose

• Element

• Mixture

Multiple Choice

A mixture that is NOT evenly distributed is called ....

• Compounded

• Homogenous

• Heterogenous

• Salty

Multiple Choice

A substance with atoms that are all alike.

• element

• compound

• homogeneous mixture

• heterogeneous mixture

Multiple Choice

Which one of these pictures represents a pure substance?

• 1 and 2

• 1 and 3

• 2 and 3

• 1, 2 and 3

Multiple Choice

Which one of these pictures represents a mixture?

• 1

• 2

• 3

• 1, 2 and 3

Chromatography

Chromatography SEPARATES substances as they are drawn across a barrier.

Chromatography happens when different colors from an ink pen spread out on a paper towel.

Distillation

Separates mixtures based on differences in substances' boiling points.

Distillation is used to process crude oil into its many different parts such as gasoline.

Multiple Choice

If a solid doesn't dissolve in a liquid we say that it is

• Soluble

• A solvent

• Insoluble

• Undissolveable

Multiple Choice

What happens when salty water is boiled?

• The salt becomes a new compound and water evaporates as it has a low boiling point

• The water evaporates and the salt remains in the beaker as it has a high melting point

• The water becomes a new compound and evaporates while salt remains in the beaker

• The water will disappear and the salt remains in the beaker as it is a solid

Multiple Choice

The process used to separate heterogeneous mixtures of solids and liquids is called

• filtration

• crystallization

• distillation

• chromatography

Multiple Choice

If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?

• Filter

• Screen

• Magnet

• Evaporation

Multiple Choice

This type of paper allows liquid to pass through it. What tool is it?

• sieve

• filter

Multiple Choice

Mixtures can be separated .......................

• Physically

• Chemically