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Coal and petroleum — Science STD 8 — Question

Maharashtra BoardEnglish MediumSTD 8ScienceCoal and petroleum2 Marks
Question
Name three useful products of coal.
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Answer

The three useful products of coal are following:
  1. Coke: It is a tough, porous and black substance. It is almost pure form of carbon.
  2. Coal tar: It is a mixture of about 200 substances. It is a black, thick liquid with unpleasant smell.
  3. Coal gas: It is obtained during the processing of coal to get coke.

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