Question no 2695 SSC CGL Tier 1 Genral Awareness Questions and Answers Online Test 56

SSC CGL Tier 1 :: GA Test 56

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1 .

Which one of the following is a major constituent of biogas?

[ A ] Carbon dioxide
[ B ] Methane
[ C ] Hydrogen
[ D ] Nitrogen dioxide

Answer : Option B

Explanation :

Biogas is typically a gas evolved by the biological breakdown of organic wastes in absence of $O_ 2$ . It is used as biofuel and made up basically of $CH_ 4$ (50-75%), $CO_ 2$ (25-50%) $N_ 2$ (0 -10%), $H_2$ (0-1%), $H_ 2$ s (0-3%) and $O_ 2$ (0-1%)

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