Air and Water

• Guiding Questions :

– What are you inhaling right now ?

– How is water made safe for use ?

– How can air be separated ?

Composition of the Air

Chemical Test for Water

Making Water Safe to Drink

• You have a 20cm3 sample of water – your task is to ensure your water is fit to drink – Consider including ;• Chemical testing for chlorides, sulphates• Filtration• Sedimentation• Killing bacteria• Convincing your public your water is safe to drink

Air Pollutants

• C

• S

• N

• Take 0.5g of paper towel – burn using a crucible.• Mass what is left.• What mass of carbon dioxide did you release ?• How many moles is that ?

Effects of Polutants

• Health

• Buildings

Task

• Create a colourful pictorially significant chemically fantastic thought splurge.

• Must : Molecules of Pollution, their sources, and how to reduce their production.

• Should : Show balanced chemical equations.• Could : Make future predictions of

consequences to humans and their structures.