Chemical Reactions and equations

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Across
  1. 2. colour of silver when silver chloride undergoes photolytic decomposition
  2. 3. it is mostly nitrogen
  3. 6. reaction in which heat is liberated along with the product
  4. 7. reddish brown colour metal
  5. 9. supporter of combustion
  6. 10. reduction and oxidation takes place simultaneously
Down
  1. 1. insoluble solid
  2. 4. unbalanced chemical equation
  3. 5. colour of fumes of nitrogen oxide
  4. 8. gas burns with pop sound