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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-29

  • question_answer
    An example of noble metal is

    A)  Gold               

    B)  Silver

    C)  Platinum          

    D)  All of these

    Correct Answer: D

    Solution :

    The noble metals are metals that are resistant to corrosion and oxidation in moist air. Noble metals comprises rutherium (Ru), rhodium (Rh), palladium (Pd), Silver (Ag), osmium (Os), iridium (Ir), platinum (Pt) and gold (Au).


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