Combustion and Flame

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Across
  1. 2. the glowing zone of a combustion reaction
  2. 5. the combustion that occurs fast
  3. 8. to allow the fire to die
  4. 9. supporter of combustion
  5. 10. required in case of burns
Down
  1. 1. the amount of heat 1kg of fuel produces
  2. 3. the combustion that produces sound along with heat and light
  3. 4. usually caused due to combustion
  4. 6. the point when a substance begins to combust
  5. 7. acid important component of soda acid fire extinguisher