Consider the following statements about electroplating:
I. Electroplating is the coating of metal objects with a thin layer of a different metal.
II. Electroplating makes objects look more attractive and protects them from corrosion and rusting.
III. Electroplating forms and envelops around the object to protect them from magnetism.
Which of the above statements is true ?

Only statement I

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Only statement II

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Statements I and II

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Statements II and III

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All of the above statements

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Solution

The correct option is C Statements I and II
Electroplating does not form an envelops that may isolate it from magnetic force.

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Similar questions

Q. Statement I: In electroplating, a superior metal is coated with an inferior metal.
Statement II: When iron is coated with zinc metal, iron becomes more resistant to corrosion.

Q. Electroplating is a very useful process widely used in industry for coating metal objects with a thin layer of :

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

Question 5

A man painted his main gate made up of iron, to

(i) prevent it from rusting.
(ii) protect it from the sun.
(iii) make it look beautiful.
(iv) make it dust free.

Which of the above statement(s) is/are correct?
(a) (i) and (ii)
(b) (ii) and (iii)
(c) only (ii)
(d) (i) and (iii)

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.

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The correct option is C Statements I and IIElectroplating does not form an envelops that may isolate it from magnetic force.

The correct option is C Statements I and II
Electroplating does not form an envelops that may isolate it from magnetic force.