Chemical Changes Lesson 2 Mixtures and Solutions

In a colloid, particles are scattered throughout and block the passage of light.

• TRUE

• FALSE

Distillation is often used to separate colloids.

• TRUE

• FALSE

Using a magnet is one way to separate a mixture of sand particles and water.

• TRUE

• FALSE

Distillation uses the different boiling points of substances to separate them.

• TRUE

• FALSE

Tags

NGSS.MS-PS1-4

Mixing food coloring with water is an example of a chemical change.

• TRUE

• False

What is a physical combination of two or more substances that are blended together without forming a new substance?

• distillation

• solute

• mixture

• solvent

The maximum amount of a solute that can dissolve in a solvent is called the _____.

• alloy

• solubility

• solvent

• colloid

Which mixture is a solution?

• muddy water

• cranberry juice

• potting soil

• milk

Which would make a sugar and water solution more dilute?

• Let water evaporate away.

• Add sugar and stir.

• Add water and stir.

• Heat to boil away water.

How are temperature and solubility related?

• The higher the temperature of the solvent, the higher the solubility

• The lower the temperature of the solvent, the lower the solubility

Tags

NGSS.MS-PS1-4