Types of Chemical Reactions by Evan Dennis 10L

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Across
  1. 7. When a decomposition reaction is carried out by electric current
  2. 10. When a decomposition reaction is carried out by light
  3. 12. When fats and oils are oxidised they become rancid and their smell and taste change.
  4. 13. Loss of oxygen or gain of hydrogen
  5. 14. The reaction in which two or more substances combine to form a new single substance
  6. 15. When a metal is attacked by substances around it such as moisture, acids etc.
Down
  1. 1. Any reaction that produces a precipitate is called a precipitation reaction.
  2. 2. When a decompositon reaction is carried out by heating
  3. 3. The reaction in which two different atoms or group of atoms are mutually exchanged
  4. 4. The reactions which require energy in the form of heat, light or electricty
  5. 5. The chemical Reaction in which an element displaces another element from its solution
  6. 6. The reaction in which a single substance decomposes to give two or more substances.
  7. 8. The reaction in which one reactant gets oxidised while other gets reduced
  8. 9. Reaction in which heat is released along with the formation of products
  9. 11. Gain of oxygen or loss of hydrogen