Types Of Reactions

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Across
  1. 2. Reaction that proceeds on its own, without external addition of energy
  2. 4. Reaction that takes place between an oxidizing substance and a reducing substance
  3. 7. Natural process that converts a refined metal into a more chemically stable oxide
  4. 11. Those in which two chemical substances react by exchanging ions to produce two new molecules
  5. 12. Reaction in which two or more substances combine to form a single new substance
  6. 13. The process of an atom or compound gaining one or more electrons
  7. 14. Take in energy and the temperature of the surroundings decreases
Down
  1. 1. Occur when cations and anions in aqueous solution combine to form an insoluble ionic solid called a precipitate
  2. 3. Occurs when an atom, molecule, or ion loses one or more electrons in a chemical reaction
  3. 5. Reaction in which a compound breaks down into two or more simpler substances
  4. 6. Transfer energy to the surroundings and the temperature of the surroundings increases
  5. 8. Condition in which aerial oxidation of unsaturated fat present in food gives it an unpleasant flavor and odor
  6. 9. A chemical process in which a substance reacts rapidly with oxygen and gives off heat
  7. 10. When an acid and a base react to form water and a salt
  8. 15. Occurs when a more reactive element displaces, or pushes out, a less reactive element