All In One Science

Book: All In One Science

Chapter: 14. Source of Energy

Subject: Physics - Class 10th

Q. No. 8 of Chapter Exercise

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8

Name four gases commonly present in biogas. State two advantages of using this gas over fossil fuels.

The typical gases present in biogas are as follows:

1. Methane


2. Carbon Dioxide


3. Hydrogen


4. Hydrogen Sulphide


Biogas is more efficient as fuel as compared to fossil fuels in the following ways:


1. Biogas does not leave any ash and residue after combustion.


2. Biogas does not burn with a smoke and does not cause pollution.


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