Types of reaction

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Types of reaction

  1. 1. Types of reaction
  2. 2. oxidation <ul><li>When oxygen is gained </li></ul><ul><li>E.g. iron + oxygen = iron oxide </li></ul>
  3. 3. reduction <ul><li>Oxygen is removed </li></ul><ul><li>Eg. Iron oxide = iron + oxygen </li></ul>
  4. 4. displacement <ul><li>When a metal removes another </li></ul><ul><li>E.g. magnesium + copper sulphate = copper + magnesium sulphate </li></ul>
  5. 5. neutralisation <ul><li>When acids cancel out alkalis </li></ul><ul><li>E.g. hydrochloric acid + sodium hydroxide = sodium chloride + water </li></ul>
  6. 6. Thermal decomposition <ul><li>When heat breaks down something </li></ul><ul><li>Eg. Calcium carbonate = calcium oxide + carbon dioxide </li></ul>
  7. 7. combustion <ul><li>When fuels burn </li></ul><ul><li>Coal + oxygen = carbon dioxide + water + heat </li></ul>
  8. 8. Other word equations <ul><li>Reactants = products </li></ul><ul><li>Metal + acid = metal salt + hydrogen </li></ul><ul><li>Metal + water = metal hydroxide + hydrogen </li></ul><ul><li>Acid + metal carbonate = metal salt + carbon dioxide + water </li></ul>
  9. 9. Gas tests <ul><li>Hydrogen </li></ul><ul><li>Oxygen </li></ul><ul><li>Carbon dioxide </li></ul>

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