Coal is processed in industries to get some useful products. Which of the following is not obtained from coal? (a) coke (b) coal tar (c) coal gas (d) CNG

(d) CNG (Compressed Natural Gas)

CNG is not obtained from coal. CNG is a fuel which can be used in replacement of diesel, petrol & LPG (liquefied petroleum gas). The burning of CNG creates less toxic gases than the previously mentioned fuels.

  • CNG is an odourless, colourless and tasteless compound with non-corrosive and non-toxic properties.
  • The primary use in automobiles is as a substitute for gasoline.
  • Methane is the main component of CNG.
  • It generally produces few greenhouse gases.

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