Question

it is said that methane is a harmful gas but in biogas main constituent is methane and it is also said that biogas burns without realising any harmful gases can anyone explain me how

Answer 1

methane can be partially said to be harmful

methane on burning gives co2 and h20

CH4---->CO2+H20

therefore it is good source of fuel

methane is harmful gas because it contributes to global warming this is due to the co2 present on burning