1. Why do we add little dilute sulphuric acid to copper sulphate solution during electroplating?

2. A coating of _________is deposited on iron to protect it from corrosion and formation of rust

3. Chromium plating is done on many objects such as car parts, bath taps, kitchen gas stove etc. Why?

4. The process of depositing a layer of any desired metal on another material by means of electricity is called ___________.

5. Some liquids are good conductors of electricity and some are poor conductors. Which one is a poor conductor?

6. Tin cans, used for storing food, are made by electroplating tin onto iron. Why?