Acids and BasesOnline version Can you work out which features below together? by Gideon Williams 1 INDIGESTION TABLETS 2 FOSSIL FUELS 3 BRUSHING TEETH 4 CAR REPAIRS Contains magnesium hydroxide Usually powder or tablet Can cause farting or burping If you have too much hydrochloric acid in your stomach Burning makes Acidic Gases Lime is Calcium Oxide Contain Carbon and Sulphur Neutralised by adding Lime Food leaves acids in mouth Acids cause decay Toothpaste contains a base Aluminium Hydroxide Rust is when a metal breaks down Oxygen reacts with metal Metal Oxide is a base Repair kits contain sulphuric acid