Crossword puzzle 6

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Across
  1. 4. the angle of___is same as the angle of reflection
  2. 5. oxidation and reduction reaction also known as____reaction
  3. 8. also known as suicidal bags
  4. 9. a device that convert electrical energy into mechanical energy
  5. 10. AB+CD=AD+CB is a type of reaction
Down
  1. 1. best conductor of electricity
  2. 2. (aq) symbol represent
  3. 3. gas used to store food items
  4. 6. combustion reaction is always
  5. 7. unit of inheritance present in chromosomes