8th Class Science Combustion and Flame

  • question_answer 4)
    Compare LPG and wood as fuels.

    Answer:

                           LPG                     Wood
    1. It is a gaseous fuel. It is a solid fuel.
    2. It does not produce smoke.   It produces smoke
    3. Its calorific value is more (55000 kJ/kg).   Its calorific value is less (17000 kJ/kg).
    4. It is easily stored in cylinders.  It requires more space to store.
    5. It does not cause any pollution.      It causes more pollution.
                                                                          


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