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MP State Exams General Studies MPPSC Preliminary Solved Papers 2009

  • question_answer
    The oxide of which of the following elements is used as a coolant. शीतलीकरण में निम्नलिखित में से कौन-सा तत्व ऑक्साइड है-

    A) Silicon / सिलिकॉन

    B) Nitrogen / नाइट्रोजन

    C) Carbon / कार्बन  

    D) Phosphorous / फॉस्फोरस

    Correct Answer: A

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