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Question

Electroplating helps


A

Fine finish to the surface

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B

Shining appearance

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C

Metal to become hard

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D

Protecting metal against corrosion.

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Solution

The correct option is D

Protecting metal against corrosion.


The explanation for correct option:

Option: (a), (b), and (d):

Electroplating:

  1. Electroplating is the process of depositing a layer of precious metal on another metal, on the passage of an electric current, it is the chemical effect of an electric current.
  2. In other words electroplating is basically the process of plating a metal onto the other by hydrolysis mostly to prevent corrosion of metal or for decorative purposes.
  3. The process uses an electric current to reduce dissolved metal cations to develop a lean coherent metal coating on the electrode.
  4. Electroplating is used to enhance the following qualities,
  1. Fine shine to the surface,
  2. Shining appearance,
  3. Protect metal-like irons from corrosion.

Hence option (a),(b)and (d) is correct option.


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