Y7: Solutions

• Chemistry
• Lower Secondary (Key Stage 3)

Y7: Solutions

Mixtures

Pure substances

A solution is a mixture of one (or more) substances dissolved in a liquid.

Solutions

Solute: the substance(s) that is dissolved in a liquid. 

Solvent: the liquid that dissolves another substance(s).

Miss Buchanan dissolves 3 spoons of coffee powder in some hot water to make her morning cup of coffee.

Solute:

Solvent:

Solution:

Coffee powder

Hot water

Strong coffee

Miss Buchanan use a dishwasher tablet in the dishwasher to clean her plates.

Solute:

Solvent:

Solution:

Dishwasher tablet

Hot water

Soapy water

Miss Buchanan adds 4 spoons of cocoa powder to warm milk to make herself a tasty hot chocolate.

Solute:

Solvent:

Solution:

Cocoa powder

Warm milk

Hot chocolate

The sugar is the...

1. Solute
2. Solvent
3. Solution

The liquid is the...

1. Solute
2. Solvent
3. Solution

B is the...

1. Solute
2. Solvent
3. Solution

C is the...

1. Solute
2. Solvent
3. Solution

Milk is the...

1. Solute
2. Solvent
3. Solution

Nesquik is the...

1. Solute
2. Solvent
3. Solution

A mixture of a substance (solid, liquid or gas) and a liquid.

A substance (solid, liquid or gas) that is dissolved in a liquid.

A liquid in which a substance dissolves.

Match the words to the definitions.

Solvent

Solute

Solution

Is this substance soluble?

1. Yes
2. No

Is this substance soluble?

1. Yes
2. No

Some substances dissolve in one solvent, but not another.

If I kept adding sugar, what would happen?