Chemical Reactions and Equations

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Across
  1. 2. a substance that undergoes a chemical change in a reaction
  2. 5. CaO + H20 is a ______ reaction
  3. 6. substance that speeds up a chemical reaction
Down
  1. 1. an insoluble solid formed during a double displacement reaction
  2. 3. brown gas produced during the decomposition of lead nitrate
  3. 4. during a double displacement reaction, _____ are exchanged