2. Questions Bank
  3. 8th Class
  4. Science
  5. Combustion and Flame

8th Class Science Combustion and Flame Question Bank Combustion and Flame

  • question_answer
    What does the blue zone in an L.P.G. flame indicate?

    A)  Unburnt vapours

    B)                         Partial decomposition

    C)                         Moderately hot

    D)                         Hottest zone of complete combustion

    Correct Answer: D

    Solution :

    The blue zone in L.P.G. flame indicates the hottest zone where complete combustion takes place.


You need to login to perform this action.
You will be redirected in 3 sec spinner