Heat and Chemical Reactions

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Across
  1. 2. The type of combustion that occurs when there is excess oxygen
  2. 5. A product of combustion which turns limewater milky white
  3. 7. The name given to a reaction in which a fuel is burnt
  4. 10. What can be measured to determine whether a chemical reaction is exothermic or endothermic
  5. 11. Chemical bonds are _______________ in endothermic reactions
  6. 12. The type of combustion that occurs when there is a limited supply of oxygen
Down
  1. 1. A chemical that produces energy when burnt
  2. 3. An extremely fast exothermic reaction
  3. 4. A Chemical reaction that absorbs energy from the surroundings
  4. 6. A product of combustion sometimes seen as condensation
  5. 8. A chemical reaction that releases energy to the surroundings
  6. 9. Chemical bonds are _______________ in exothermic reactions