Chemical Reactions and equations

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Across
  1. 2. _________ reactions absorbs heat
  2. 3. addition of hydrogen or removal of oxygen is termed as _______ reaction.
  3. 4. the reaction of an element with a compound to produce a new element and a new compound
  4. 5. ________ reaction is the opposite of combination reaction
  5. 8. the chemical name of quick lime is _______ oxide.
Down
  1. 1. a double displacement reaction between an acid and a base to produce an ionic compound (a salt) and usually water
  2. 6. a chemical equation is balanced by changing or adding _____
  3. 7. The type of compound formed by combining an element with oxygen