Electrolytic processes

Question 1

Fill in the gap:

The ____ ions in an electrolyte conduct electricity

Answer 1

1. Free

Question 2

Why do electrolytes in solution behave differently to molten ones

Answer 2

1. Because there are now H+ and OH- ions

Question 3

Fill in the gap:

Copper is __________ by electrolysis

Answer 3

1. Purified

Question 4

What happens to the mass of the anode and cathode during electrolysis?

Answer 4

1. The mass of the anode will decrease and the mass of the cathode will increase

Question 5

Fill in the gap:

__________________ is applying a _____ coating to an object

Answer 5

1. Electroplating

2. Metal

Question 6

List two uses of electroplating

Answer 6

1. Decoration

2. Prevention of corrosion