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Explanation: - Methane (CH₄) is the major component of biogas, constituting around 50-75%. - Other gases present in biogas include carbon dioxide (CO₂), hydrogen sulfide (H₂S), and small traces of hydrogen (H₂). - Hydrogen sulfide is a minor component, not the major one. Thus, the correct answer is (B) Methane.
In a mixture of milk & water, 30 litres water is mixed due to which ratio changes from 3 : 4 to 1 : 2. Find initial quantity of mixture. (in litres)
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From a barrel that contains pure alcohol, 10% alcohol is withdrawn and replaced with water. If the same process is repeated once more, then the quantity...
A container contains 600 lit of pure milk and P liters of water. Ratio of 25% of mixture to the initial quantity of water is 3 : 4 and when Q liters of ...
In a mixture of 120 litres, milk was 58(1/3)% and rest was water. If (x + 15) of the mixture is taken out and add 8 litres of milk in it, then the diff...
A 309 litre mixture consists of milk, water and honey. In the mixture, the quantity of milk is 30% more than that of honey and the quantity of water is ...
In a container ratio of milk and water is 3:4. 14 litres of mixture is removed and same quantity of water is added to the container. If the final ratio ...
From a cask filled with wine, 108.75 liters are first drawn and replaced with water. From this mixture 87 liters are drawn and replaced with water. The ...