Book: Lakhmir Singh & Manjit Kaur - Physics
Chapter: 3. Sources of Energy
Subject: Physics - Class 10th
Q. No. 1 of Very Short Answer Type Questions-Pg-161
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1
Which of the two is a cleaner fuel: hydrogen or CNG? Why?
Hydrogen fuel is cleaner than CNG. CNG contains hydrocarbons. Therefore, it has carbon contents. Carbon is a form of pollutant present in CNG. On the other hand, hydrogen is waste-free. The fusion of hydrogen does not produce any waste. Hence, hydrogen is cleaner than CNG.
