Chemical Equations-Devanarayanan Manoj 10R

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Across
  1. 3. a single substance decomposes to give two or more substances
  2. 6. The substances that go into a chemical reaction
  3. 8. The substances produced at the end of the reaction
  4. 11. two compounds exchange their ions to form new compounds
  5. 14. a process to prevent rusting of iron using zinc
  6. 15. a type of decomposition reaction in which the reactant will break down just by the absorption of the photons
  7. 16. name given to hydrated ferric oxide
  8. 17. a chemical process of breaking down caused by heat
Down
  1. 1. It is a silver halogen that is used in black and white photography.
  2. 2. one or a group of atoms of a compound is replaced by another atom or group of atoms
  3. 4. it is a process in which one or more substances react to form new substances with different properties
  4. 5. a bright bluish crystal that is used for pesticides
  5. 7. two or more substances combine to form a single substance
  6. 9. reaction in which insoluble salts are formed
  7. 10. the oxidation of oils or fats in food resulting in bad taste and smell
  8. 12. When electricity is passed through a compound, then the ions of the compound separate into components decomposing the compo
  9. 13. the eating up of metals as a result of their exposure to air, moisture and other gases in the atmosphere