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प्रश्न
What is the percentage of methane in biogas?
विकल्प
85 - 90
15 - 45
91 - 95
50 - 80
MCQ
उत्तर
50 - 80
Explanation:
Biogas has a methane content of 50 to 80%. Co2 in the range of 30-40%, with trace levels of other gases. Digestate is a liquid and solid digested substance that is widely used as a soil amendment.
shaalaa.com
Microbes in Energy Generation
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