Types of Reactions

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Across
  1. 2. when two chemical substances react by ions to produce two new substances
  2. 8. two reactants combine into one product
  3. 10. when a substance loses oxygen/gains hydrogen
  4. 11. the decomposition of any particular substance in presence of light
Down
  1. 1. reaction that takes in energy in the form of heat
  2. 3. the decomposition of any particular substance in presence of heat
  3. 4. when a substance gains oxygen/loses hydrogen during a reaction
  4. 5. the process of using electricity to split water into hydrogen and oxygen
  5. 6. one reactant is broken down into two products
  6. 7. reaction that gives out energy in the form of heat
  7. 9. when a more reactive element displaces a less reactive element from a compound