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

2. Which of the following solutions will not make the bulb in Fig 14.2 glow?(a)(b) (c) (d)

3. the phenomenon of decomposition of an electrolyte when electricity is passed through is known as

4. The object to be electroplated is taken as ____________ electrode.

5. one of the following is not used for electroplating metal articles. the one is -

6. When an electric current is passed through a conducting solution, there is a change of colour of the solution. This indicates

7. the electrode connected to the negative terminal of a battery is known as

8. The electrodes are generally made up of

9. During electrolysis of water, hydrogen gas is deposited at which electrode?

10. It is dangerous to touch electrical appliances with wet hands because water is a