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KCET 2015 Biology Solved Paper
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© examsnet.com
Question : 13
Total: 60
During sewage treatment biogas produced includes:
Methane, Oxygen, Hydrogen sulphide
Hydrogen sulphide, Methane, Sulphur oxide
Hydrogen sulphide, Nitrogen, Methane
Methane, Hydrogen sulphide, Carbon dioxide
Validate
Solution:
Biogas is made up of methane (50-70%), carbon dioxide (30-40%) with traces of nitrogen, hydrogen sulphide and hydrogen.
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