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10th Class Social Science Minerals and Energy Resources / खनिज और ऊर्जा संसाधन Question Bank Very Short Answer Type - Minerals and Energy Resources

  • question_answer
    Why is coal often called 'black gold'? Give two reasons.                                                          [Foreign 2004]

    Answer:

    Coal is often called 'black gold' because
    (i) It is the prime source of energy.
    (ii) It is used as a raw material mainly for chemical industry.
     


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