Types of Reactions.

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Across
  1. 4. A reaction in which ions in two compounds exchange places to form two new compounds.
  2. 8. Process which involves gain of oxygen or loss of hydrogen.
  3. 9. Occurs when an element or ion moves out of one compound and into another.
  4. 11. A type of chemical reaction where two or more reactants combine to form a single product.
  5. 12. The eating up of metals as a result of their exposure to air, moisture and other gases in the atmosphere.
  6. 14. Reactions during which heat energy is absorbed.
  7. 15. A type of chemical reaction where two or more reactants combine to form a single product.
Down
  1. 1. Reactions during which heat energy is evolved.
  2. 2. It is a process in which one or more substances react to form new substances with different properties.
  3. 3. Reactions in which insoluble salts are formed.
  4. 5. A substance which gives oxygen or gains hydrogen.
  5. 6. A substance which gains hydrogen or oxygen.
  6. 7. It is the shorthand notation of actually occurring chemical reaction in terms of symbols, formulae and the ratio of the number of the various reactants and products involved.
  7. 10. The oxidisation of oils or fats in food resulting in bad taste and smell.
  8. 13. Process which involves gain of hydrogen or loss of oxygen.