Which of these metals will you electroplate on iron to protect it from rusting and to make it shine?
(a) copper
(b) gold
(c) zinc
(d) chromium

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Solution

(c) zinc

Iron is coated with zinc to protect it from corrosion and formation of rust. The zinc coating will also give it a shiny appearance.

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Similar questions

Q. Question 6
Which of the following metals is used in electroplating to make objects appear shining?

(a) Iron
(b) Copper
(c) Chromium
(d) Aluminium

Q. To protect iron from corrosion and rusting , it is electroplated with

Q. Why is zinc better than tin if we want to protect a piece of iron from rusting by electroplating?

Q) Instead of taking the trouble of electroplating metals with chromium for making car parts , taps , cycle parts , etc., why are these objects not made up of chromium itself ?

A) This is because chromium is a very expensive metals . It is a metal which does not rust is resistant from scratches and has a shiny appearance . If we use chromium it will be a huge loss and it also be wastage of the resource chromium thus it is preferable to use chromium only for electroplating objects.

Could you please check my answer and give inputs.

Q. (a) How does the painting of an iron object prevent its rusting?
(b) How does the electrical conductivity of copper alloys, brass and bronze, differ from that of pure copper?
(c) What is meant by 22 carat gold? Name the metals which are usually alloyed with gold to make it harder.

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Which of these metals will you electroplate on iron to protect it from rusting and to make it shine? (a) copper (b) gold (c) zinc (d) chromium

(c) zinc Iron is coated with zinc to protect it from corrosion and formation of rust. The zinc coating will also give it a shiny appearance.

Which of these metals will you electroplate on iron to protect it from rusting and to make it shine?
(a) copper
(b) gold
(c) zinc
(d) chromium

(c) zinc

Iron is coated with zinc to protect it from corrosion and formation of rust. The zinc coating will also give it a shiny appearance.