Chemical Reactions and Equations

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Across
  1. 2. When fats and oils stay in open for long, they get oxidized and become rancid (old and stale), and their smell and taste change.
  2. 4. the process by which a metal surface is attacked by a certain substance such as air or water.
  3. 5. the reaction in which both oxidation and reduction occur together.
  4. 8. chemical reaction in which one reactant breaks down into two or more products.
  5. 9. a reaction that occurs when two or more elements or compounds, known as reactants, react with each other and unite to produce a single chemical
  6. 10. a substance that increases the rate of chemical reaction
Down
  1. 1. A chemical reaction which involves addition of hydrogen or removal of oxygen or gain of electron(s)
  2. 3. reaction wherein the atom or a set of atoms is displaced by another atom in a molecule.
  3. 6. the addition of oxygen to the substance or the removal of hydrogen from the substance.
  4. 7. those chemical substances that react together to form a new substance during a chemical reaction.