Fuels, combustion and the fire triangle

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Across
  1. 2. Another word for burning
  2. 3. A type of extinguisher that can be used to put out electrical fires
  3. 4. Soot particles are made from this element
  4. 5. Can be placed over a fire to remove the oxygen
  5. 6. A gas produced during incomplete combustion
  6. 8. The gas that reacts with a fuel during combustion reactions
Down
  1. 1. Often used in hot countries to prevent the spread of wildfires
  2. 2. A product of combustion that turns limewater cloudy
  3. 5. Something that burns to produce energy
  4. 7. Do not use this to put out a chip pan fire!