Chemistry in Everyday Life

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

6. Pharmacy & Medicine

6.1. Drugs

7. Food Industrty

7.1. Fertilizer

7.2. pesticide

7.3. preservatives