| A | B |
| acid + metal = | salt + hydrogen |
| Acid + carbonate = | salt + water + carbon dioxide |
| acid + alkali = | salt + water |
| test for hydrogen | makes a lit splint go pop |
| test for carbon dioxide | turns limewater milky |
| sulfuric acid | H2SO4 |
| hydrochloric acid | HCl |
| nitric acid | HNO3 |
| sulfuric acid makes | a sulfate salt |
| nitric acid makes | a nitrate salt |
| hydrochloric acid makes | a chloride salt |
| nitric acid + sodium hydroxide = | sodium nitrate + water |
| sulfuric acid + calcium hydroxide = | calcium sulfate + water |
| zinc + hydrochloric acid = | zinc chloride + hydrogen |
| copper carbonate + sulfuric acid = | copper sulfate + water + carbon dioxide |
| magnesium + oxygen = | magnesium oxide |
| carbon + oxygen = | carbon dioxide |
| S + O2 = | SO2 |
| C + O2 = | CO2 |
| magnesium oxide + sulfuric acid = | magnesium sulfate + water |
| electrons are | negatively charged |
| colour of copper oxide | black |
| colour of copper sulfate | blue |
| colour of magnesium oxide | white |
| colour of copper carbonate | green |