1.

Compare L.P.G and Wood as Fuel.

Answer»
LPGWood
(i) It gives more heat in less time.(i) It gives less heat in more time.
(ii) It causes less air pollution.(ii) It causes air pollution.
(iii) It bums completely.(iii) It burns incompletely.
(iv) It doesn’t produces ash.(iv) It produces ash.


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