Pure Or Not

Question 1

What makes something pure?

Answer 1

• It is made up of only one component.

- It can not be separated into different components.

Question 2

Is ‘Table Salt’ and ‘Baking Soda’ pure substances?

Answer 2

Yes!

Question 3

Which two of these substances are pure?

• Soda (soft drink)
• Steel
• Oxygen
• Iron Filings
• Smoke
• Limestone (CaCO)

Answer 3

The answer is Oxygen and Iron Filings.

Question 4

What is the difference between Oxygen and Smoke?

Answer 4

Oxygen is pure, and smoke isn’t pure…. It’s a mixture.