The process of depositing a thin layer of expensive metals on ordinary or inexpensive metals is called:

Correct answer: A. Electroplating

  • A. Electroplating
  • B. Conductivity
  • C. Galvanizing
  • D. Metallurgy

Explanation

In electroplating, we have the object replacing the cathode and the metal, the anode. As the electric current is allowed to flow, the metal ions are formed at the anode, and then they discharge at the cathode which is the object.

This question appeared on the NUMS 2017 paper, which you can sit online with every answer explained.

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About Redox Reactions

Redox reactions involve oxidation and reduction occurring together, with electrons transferred between species or oxidation numbers changing. The topic covers assigning oxidation states, identifying oxidizing and reducing agents, balancing redox equations by oxidation number or half-reaction methods, and connecting chemical changes with galvanic and electrolytic cells.

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