Mixtures and Solutions

What is a mixture?

• Multiple things bonded together

• Pure substances

• Multiple things combined together

• Food

What is a pure substance?

• Only made of one type of chemical

• It's white in colour

• You can mine it

• A combination of different chemicals

Which of the following are pure substances (there may be more than one)

• Cordial

• Sugar

• Chocolate

• Milk

• Water

Which of the following are mixtures?

• Coffee

• Milk

• Sand

• Sea water

• Gold

What are the parts of a mixture called?

• Categories

• Compartments

• Contingents

• Components

When making a cup of tea the tea leaves would be considered the ...

• Solute

• Solvent

• Solution

In a bottle of rubbing alcohol what would be considered the solvent?

• Alcohol

• Oil

• Water

Which of the solutions in the picture has the lowest concentration?

• A

• B

• C

• D

How do you make a solution more concentrated?

• Add more solvent

• Add more solution

• Add more water

• Add more solute

You can dilute a solution by adding more .....?