state gov Bihar SSC (BSSC) Inter Level Mock Test 2024 - 25 General Science Chemistry Chemistry in Everyday Life

बायोगैस के अवयव हैं -

1
CH4, H2S एवं CO2
2
CH4, H2S  एवं O2
3
CO2, O2 एवं H2S
4
CH4, C2H6 एवं O2
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