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  5. Current Electricity, Charging & Discharging Of Capacitors / वर्तमान बिजली, चार्ज और कैपेसिटर का निर

Railways General Science & Technology Current Electricity, Charging & Discharging Of Capacitors / वर्तमान बिजली, चार्ज और कैपेसिटर का निर Sample Paper Current Electricity Sample Test Paper-9

  • question_answer
    For gold plating on a copper chain, the substance required in the form of solution is

    A)  Copper sulphate

    B)  Copper chloride

    C)  Potassium cyanide

    D)  Potassium aurocyanide

    Correct Answer: D

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