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8th Class Science Coal and Petroleum Question Bank Coal and Petroleum

  • question_answer
    Coal tar can be used as a starting material for manufacturing
    (i)  Drugs
    (ii) Photographic materials
    (iii) Cookwares
    (iv) Explosives
     

    A) Only (i)                      

    B) (ii) and (iv)    

    C) (i), (ii) and (iv)

    D) (ii), (iii) and (iv)

    Correct Answer: C

    Solution :

    Coal tar is used as a starting material for manufacturing various substances like synthetic dyes, drugs, explosives, perfumes, plastics, paints, photographic materials, roofing materials, etc.


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