Fuels
- The substances, which produce heat and light on combustion are called fuels.
- A strong foul-smelling substance, called ethyl mercaptan is added to LPG to detect its leakage as LPG is an odourless gas.
Some important fuels and their compositions
Fuel | Composition | Sources |
Water Gas | Carbon monoxide (co) + hydrogen(h2) | By passing steam over red hot coke |
Producer Gas | Carbon monoxide (CO) + Nitrogen (N2) | By passing insufficient air over red hot coke |
Coal Gas | Hydrogen + methane + Ethylene + Acetyene + CO +Nitrogen | By fractional distillation |
Natural Gas | Methane(83%) + Ethane | From petroleum |
Liquefied Petroleum Gas (LPG) | Butane (CH4) 95% | From petroleum |
Compressed Natural Gas (CNG) | Methane (CH4) 95% | From petroleum |
Biogas or Gobar Gas | Methane (CH4) + Carbon dioxide (CO2) + Hydrogen (H2)+ Nitrogen (N2) | From organic wastes |
Now let's see a question on this:
Q. Compressed natural gas mainly consists of which gas?
- Methane
- Butane
- Iso-Butane
- Ethane
Answer: A
Solution:
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