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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-25

  • question_answer
    Which one of the following is not coal variety?

    A)  Peat    

    B)  Dolomite

    C)  Lignite 

    D)  Bituminous

    Correct Answer: B

    Solution :

    Dolomite is an anhydrous carbonate mineral composed of calcium magnesium carbonate, ideally \[CaMg{{(C{{O}_{3}})}_{2}}.\]


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