List of things to memorise for O Level Chemistry.
| 1 | Chemical structures |
| 2 | Substances that can sublime |
| 3 | Purification method |
| 4 | Gas collection method |
| 5 | Gas drying method |
| 6 | Mol calculation formula |
| 7 | polyatomic ions |
| 8 | Inorganic reaction pattern |
| 9 | Solubility table |
| 10 | strong acids and bases |
| 11 | indicators for titration |
| 12 | Reacitivity series |
| 13 | Types of oxides |
| 14 | Preparation of salt |
| 15 | Qualitative Analysis |
| 16 | Colour of compounds |
| 17 | Factors affecting speed of reaction |
| 18 | Reaction in the blast furnace |
| 19 | Half equation in electrolysis |
| 20 | Fractional distillation of crude oil |
| 21 | Number of carbons |
| 22 | Organic reactions |
| 23 | Condensation polymers |
| List 1 | Chemical structures |
| 1 | Giant Ionic Lattice |
| 2 | Giant Metallic Lattice |
| 3 | Giant Covalent |
| 4 | Simple Covalent |
| List 2 | Substances that can sublime |
| 1 | ammonium chloride |
| 2 | naphtalene |
| 3 | carbon dioxide |
| 4 | iodine |
| List 3 | Purification method |
| 1 | Distillation |
| 2 | Fractional Distillation |
| 3 | Chromatography |
| 4 | Crystalisation |
| 5 | Filtration |
| 6 | Evaporation |
| 7 | Separating Funnel |
| List 4 | Gas collection method |
| 1 | Upward Delivery |
| 2 | Downward Delivery |
| 3 | Water displacement |
| 4 | syringe |
| List 5 | Gas drying method |
| 1 | conc sulfuric acid for acidic gases |
| 2 | calcium oxide for alkaline gases |
| 3 | copper (II) sulfate for neutral gases |
| List 6 | Mol calculation formula |
| 1 | mass |
| 2 | NOP |
| 3 | volume of gas |
| 4 | concentration |
| 5 | percentage yield |
| 6 | percentage purity |
| List 7 | polyatomic ions |
| 1 | sulfite |
| 2 | sulfate |
| 3 | nitrite |
| 4 | nitrate |
| 5 | phosphite |
| 6 | phosphate |
| 7 | carbonate |
| 8 | hydroxide |
| 9 | cyanide |
| 10 | ammonium |
| 11 | permanganate |
| 12 | dichromate |
| 13 | thiosulfate |
| List 8 | Inorganic reaction pattern |
| 1 | acid + base |
| 2 | acid + carbonate |
| 3 | acid + metal |
| 4 | ammonium + base |
| 5 | ppt |
| 6 | ppt |
| 7 | displacement of metals |
| 8 | displacement of halogens |
| 9 | combustion |
| 10 | thermal decomposition |
| List 9 | Solubility table |
| 1 | all nitrate are soluble |
| 2 | all sulfate are soluble except for Barium Calcium Lead |
| 3 | all chlorides are soluble except for Silver Lead |
| 4 | all carbonates are insoluble except for Sodium Potassium Ammonium |
| List 10 | strong acids and bases |
| 1 | hydrochloric acid |
| 2 | hydrogen bromide |
| 3 | hydrogen iodide |
| 4 | sulfuric acid |
| 5 | nitric acid |
| 6 | hydrogen chromate |
| 7 | hydrogen perchromate |
| 8 | hydrogen perbromate |
| 9 | lithium hydroxide |
| 10 | sodium hydroxide |
| 11 | potassium hydroxide |
| 12 | rubidium hydroxide |
| 13 | caesium hydroxide |
| 14 | francium hydroxide |
| List 11 | indicators for titration |
| 1 | methyl orange |
| 2 | bromotymol blue |
| 3 | phenophtalein |
| List 12 | Reacitivity series |
| 1 | potassium |
| 2 | sodium |
| 3 | calcium |
| 4 | magnesium |
| 5 | aluminium |
| 6 | zinc |
| 7 | iron |
| 8 | tin |
| 9 | lead |
| 10 | hydrogen |
| 11 | copper |
| 12 | mercury |
| 13 | silver |
| 14 | gold |
| 15 | platinum |
| List 13 | Types of oxides |
| 1 | acidic oxide = non metal oxide |
| 2 | basic oxide = metal oxide |
| 3 | amphoteric oxide |
| 4 | neutral oxide |
| List 14 | Preparation of salt |
| 1 | titration |
| 2 | precipitation |
| 3 | excess solid |
| List 15 | Qualitative Analysis |
| 1 | ammonia |
| 2 | chlorine |
| 3 | hydrogen |
| 4 | oxygen |
| 5 | carbon dioxide |
| 6 | sulfur dioxide |
| 7 | water vapour |
| 8 | hydroxide |
| 9 | nitrate |
| 10 | carbonate |
| 11 | sulfate |
| 12 | chloride |
| 13 | iodide |
| 14 | hydrogen |
| 15 | ammonium |
| 16 | iron (II) |
| 17 | iron (III) |
| 18 | copper (II) |
| 19 | calcium |
| 20 | zinc |
| 21 | aluminium |
| 22 | lead |
| List 16 | Colour of compounds | - |
| 1 | Barium sulfate | white |
| 2 | silver chloride | white |
| 3 | lead (II) iodide | yellow |
| 4 | iodine | purple / black |
| 5 | bromine | brown |
| 6 | chlorine | yellowish green |
| 7 | flourine | yellow |
| 8 | potassium permanganate | purple |
| 9 | potassium dicrhomate | orange |
| 10 | iron (II) hydroxide | green ppt |
| 11 | iron (III) hydroxide | reddish brown ppt |
| 12 | copper (II) hydroxide | blue ppt |
| 13 | copper (II) oxide | black ppt |
| 14 | anhydrous copper (II) sulfate | white powder |
| 15 | hydrated copper (II) sulfate | blue crystal |
| 16 | copper (II) carbonate | green ppt |
| 17 | copper | pink |
| List 17 | Factors affecting speed of reaction | - |
| 1 | temperature | s,l,g,aq |
| 2 | catalyst | s,l,g,aq |
| 3 | particle size | solid |
| 4 | pressure | gas |
| 5 | concentration | aqueous |
| List 20 | Fractional distillation of crude oil |
| 1 | LPG |
| 2 | petrol |
| 3 | Naphta |
| 4 | kerosene |
| 5 | Diesel |
| 6 | Lubricating oil |
| 7 | Fuel oil |
| 8 | Grease / Wax |
| 9 | Bitumen |
| List 21 | Number of carbons |
| 1 | meth- |
| 2 | eth- |
| 3 | prop- |
| 4 | but- |
| 5 | pent- |
| 6 | hex- |
| 7 | hept- |
| 8 | oct- |
| 9 | non- |
| 10 | dec- |
| List 22 | Organic reactions |
| 1 | cracking |
| 2 | hydrogenation |
| 3 | hydration |
| 4 | dehydration |
| 5 | oxidation |
| 6 | reduction |
| 7 | esterification |
| 8 | hydrolysis |
| 9 | free radical substitution |
| 10 | bromination |
| 11 | addition polymerisation |
| 12 | combustion |
| 13 | fermentation |
| List 23 | Condensation polymers |
| 1 | synthetic polyester - Terylene |
| 2 | natural polyester - fats |
| 3 | synthetic polyamide - nylon |
| 4 | natural polyamide - protein |