Question

" Bio gas is a better fuel than animal dung cakes". Justify this statement stating four reasons.​

Answer 1

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Bio gas is better than animal dung cake because:

• Animal dung cake release too much pollution when heated whereas bio gas does not release any pollution.........
• The calorific value of bio gas is high in comparison with animal dung cake.......
• Animal dung cake leaves residue whereas bio gas does not leave any residue......
• Bio gas is cheaper than other......

Answer 2

Answer:

Biogas is a better fuel than animal dung cakes because: Burning ofanimal dung cake causes lot of pollution whereas biogas is a smokeless fuel. The calorific value of animal dung cake is much lower than that of biogas. Animal dung cakes leave residue after burning whereas biogas leaves no residue.

Explanation:

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