Chemical reactions

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Across
  1. 3. Double displacement reaction is also known as..............
  2. 5. Addition of oxygen
  3. 7. Corrosion of iron is also known as...........
  4. 8. Addition of hydrogen
  5. 9. Reaction in which energy is released.
Down
  1. 1. Starting materials/substrates in a chemical reaction.
  2. 2. Reaction in which energy is absorbed.
  3. 4. Respiration is a .............reaction.
  4. 6. Packaged food items are flushed with this gas.
  5. 10. Reaction in which both Reduction and oxidation takes place simultaneously.