SSC Geography Sample Paper NCERT Sample Paper-6

  • question_answer
    Which of the following is the correct sequence of coal in descending order of quality?

    A)  Bituminous, Anthracite, Lignite, Peat

    B)  Anthracite, Bituminous, Lignite, Peat

    C)  Anthracite; Lignite, Peat, Bituminous

    D)  Anthracite, Peat, Bituminous, Lignite

    Correct Answer: B

    Solution :

    [b] Quality of coal is determined by its carbon content. Accordingly, following is the sequence of four types of coal in descending order of quality.
    Coal Percentage of carbon content
    Anthracite 80 - 95
    Bituminous 60 - 80
    Lignite 40 - 60
    Peat 40 - 55

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