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प्रश्न
Which of the following is needed for the formation of biogas from cow-dung and which not?
Water, Oxygen
उत्तर
Water is needed and oxygen is not.
Biogas is formed by the anaerobic degradation of cow dung in the presence of water but in the absence of oxygen.
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संबंधित प्रश्न
"The ignition temperature of a fuel is 80°C". What does this mean?
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What are the disadvantages of burning fossil fuels?
The product of petroleum used to drive heavy vehicles like trucks is:
(a) petrol
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(c) diesel
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(a) butane
(b) methane
(c) propane
(d) ethane
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Coal and petroleum are renewable energy resources.
Complete the crossword in figure with the help of the clues :
Across
1. Fuels obtained from dead remains of living organisms. (6, 5)
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Down
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6. Fuel for heavy motor vehicles. (6)
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8. Dead remains of sea animals got converted into it. (9)
