Question

A brand new bicycle has shiny handlebar and wheel rims . However ,

if these are accidentally scratched , the shiny coating comes off

revealing a not so shiny surface beneath . You might have also seen

women , using ornaments , Which appear to be made of gold . However,

with repeated use , the golf coating wears off , revealing silver or some

other metal beneath . In both cases , a metal has a coating of another

metal . Electroplating is one of the most common applications of

chemical effect of electric current. It is widely used .

Q. 1 What is meant by electroplating ?

Q. 2 What is the application of chemical effect of electric current in our

daily life ?

Q. 3 Why the objects which have chromium plating are not made of

Chromium itself ?

Q. 4 List any one drawback of electroplating .

Q. 5 Name two metal objects which have a coating of another metal .​

Answer 1

Answer:

1. Electroplating is the process of depositing a layer of one metal over an object made of another metal, utilising the chemical effects of electric current.

2. Electroplating

3. Since Chromium is expensive, it would cost a lot to make the whole object out of Chromium. Rather, a layer of Chromium would be much more cheaper.

4. During the electroplating process, a lot of waste is generated which is difficult to dispose and which causes a health risk. This is a drawback of electroplating.

5. Handlebars of bicycles and imitation jewellery.

Hope my answer helps you. Please do mark as brainliest.