MP State Exams General Knowledge MP SI Solved Papers MP-SI Samanya Gyan 28-Oct-2017, 2 PM

  • question_answer
    सामान्यत: हाइड्रोजन के कितने समस्थानिक पाये जाते हैं:

    A) 1

    B) 4

    C) 2

    D) 3

    Correct Answer: D


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