Question 8 (iv)
Fill in the blanks.
(d) Electroplating of ___ is done on objects like water taps and cycle bell to give them a shiny appearance.

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Solution

Chromium.
Because chromium has a shiny appearance, it resists scratches and does not corrode.

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Q. Question 8 (iv)
Fill in the blanks.
(d) Electroplating of

___ is done on objects like water taps and cycle bell to give them a shiny appearance.

(i) The object to be electroplated is taken as ….……….. electrode.
(ii)One of the most common applications of the chemical effect of electric
current is …………………….
(iii)Small amount of mineral salt present naturally in water makes it a ………. ………………...of electricity.
(iv) Electroplating of………………. is done on objects like water taps and
cycle bell to give them a shiny appearance.

Q. What element is mainly electroplated on car parts to give them a shiny appearance?

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. The elements which is mainly electroplated parts, both taps, bicycle's handlebars etc, shiny appearance?

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Application of Electroplating

Standard VIII Physics

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Question 8 (iv) Fill in the blanks. (d) Electroplating of ___ is done on objects like water taps and cycle bell to give them a shiny appearance.

Chromium. Because chromium has a shiny appearance, it resists scratches and does not corrode.

Question 8 (iv)
Fill in the blanks.
(d) Electroplating of ___ is done on objects like water taps and cycle bell to give them a shiny appearance.

Chromium.
Because chromium has a shiny appearance, it resists scratches and does not corrode.