Chemistry in Everyday Life
by r quinn
1. Fossil Fuels
1.1. Hydrocarbons
1.1.1. Contains Hydrogen & Carbon
1.2. Burning gives off
1.2.1. Always - Carbon Dioxide & Water
1.2.2. Dirty Fuels - Sulphur Dioxide
1.3. Examples
1.3.1. Oil
1.3.2. Coal
1.3.3. Gas
2. Acid Rain
2.1. Gases eg Sulphur Dioxide react with Water
2.1.1. Dilute Sulphuric Acid
2.2. Lowers pH of Rain & Lakes
2.2.1. Kills Trees & Fish
2.3. Corrodes Limestone Statues & Buildings
3. Natural Gas
3.1. Mostly Methane
3.1.1. CH4
3.1.2. Covalent Bond
3.2. Used for Cooking
4. Plastics
4.1. Crude Oil
4.2. Polythene
4.2.1. tough & waxy - bags
4.3. Nylon
4.3.1. strong & Hard-wearing - Stockings
4.4. PVC
4.4.1. strong & hard - gutters
4.5. Polystyrene
4.5.1. strong & brittle - white packaging
4.6. Perspex
4.6.1. clear & tough - screens
5. Environment
5.1. Biodegradable
5.1.1. eg Food scraps, paper
5.2. non-biodegradable
5.2.1. Plastics