Q&A/Class 8/Science

Describe coal and its various products along with their uses.

Class 8CBSEScienceChapter: Coal and Petroleum
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Coal is a hard and black coloured non-metal which is used to cook food, in the past it was also used to run railway engines, apart from this it is also used to produce electricity in thermal power plant; it is also used as fuel in various industries.
Following are the products of coal:
  • Coke: Coke is a product of coal; it is tough, porous, and black in colour and almost pure form of carbon. It is used in making steels and in extraction of many metals
  • Coal tar: coal tar is the product of coal which is the mixture of various substances. Products obtained from coal tar is used for manufacturing a variety of products like dyes, drugs, perfumes, explosives, paints, photographic materials, roofing materials etc.
  • Coal gas: Coal gas is obtained during the processing of Coal to get coke. It is used as a fuel in many industries situated near the coal processing plants.

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