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13/12/2020 7:06 pm
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Name four gases commonly present in biogas. State two advantages of using this gas over fossil fuels.
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13/12/2020 7:15 pm
Methane, carbon dioxide, hydrogen and hydrogen sulphide.
Advantages of using biogas over fossil fuels are:
- Biogas burns without smoke, leaves no residue unlike coal.
- Biogas is cheaper as compared to fossil fuels.