More cards in this set

What is the atmosphere made of and what percentages?

How are humans changing the atmosphere?

What are the five different pollutants?

What are the chemicals called at the start and at the end of an reaction?

What happens when atoms rearrange themselves?

What do fossil fuels contain and what are the called?

Give some examples of hydrocarbons.

What is burning also known as?

What happens when a hydrocarbon burns?

What is the difference between burning with oxygen in the air and pure oxygen?