Electrolysis - OCR Gateway

1

Sodium chloride is an ionic compound. When could it act as an electrolyte?

2

What name is given to a positively charged ion?

3

What is produced during the electrolysis of molten zinc chloride?

4

What is produced during the electrolysis of aqueous copper bromide?

5

What is produced during the electrolysis of water, acidified with dilute sulfuric acid?

6

Which of the following substances could make inert electrodes for the electrolysis of copper(II) sulfate solution?

7

Which ions are present in dilute nitric acid?

8

Which conditions would be suitable for electroplating a steel fork with silver?

9

At which electrode does a metal or hydrogen form during electrolysis?

10

What electrodes are used for the industrial purification of copper by electrolysis?