Science

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Across
  1. 1. are formed from chemical reactions.
  2. 3. a reaction accompanied by the release of heat.
  3. 6. substances initially present in a chemical reaction
  4. 7. has a PH greater than 7.
Down
  1. 2. The science word for burning
  2. 4. a reaction or process accompanied by the release of heat
  3. 5. any type of compound that stores energy
  4. 7. a substance with particular chemical properties.