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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-23

  • question_answer
    Atoms of the same element, i.e. having the same atomic number that differ in atomic weight, are called

    A)  isotopes           

    B)  isomers

    C)  isobars 

    D)  isohyets

    Correct Answer: A

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