Lakhmir Singh & Manjit Kaur - Physics

Book: Lakhmir Singh & Manjit Kaur - Physics

Chapter: 3. Sources of Energy

Subject: Physics - Class 10th

Q. No. 31 of Multiple Choice Questions (MCQs)-Pg-149

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31

The constituent of biogas which makes it an excellent fuel is :

Biogas constitutes methane gas about 60% within it.

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