Lakhmir Singh & Manjit Kaur - Physics

Book: Lakhmir Singh & Manjit Kaur - Physics

Chapter: 3. Sources of Energy

Subject: Physics - Class 10th

Q. No. 7 of Very Short Answer Type Questions-Pg-148

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7

Which of the following is needed for the formation of biogas from cow-dung and which not?

Water, Oxygen

Water is required in the formation of biogas from cow-dung. And biogas is produced in the absence of oxygen in a closed system.


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