Unit 2- Electrolysis

Question 1

What is electrolyte?

Answer 1

Molten conductor liquid that contains free ions

Question 2

What Carries the current?

Answer 2

The electrons

Question 3

What happens to the negative and positive electrode?

Answer 3

Negative: positive ions are attracted
Positive: negative ions are attracted

Question 4

What is oxidation?

Answer 4

Loss of electrons

Question 5

What is reduction?

Answer 5

Gain of electrons

Question 6

What is aluminiums ore?

Answer 6

Bauxite

Question 7

What does bauxite produce?

Answer 7

Aluminium oxide

Question 8

What is aluminium dissolved in molten cryolite?

Answer 8

To bring down the melting point for cost

Question 9

What is electroplating?

Answer 9

The use of electrolysis to coat one metal with another

Question 10

In electroplating what goes on the positive and negative electrode?

Answer 10

Positive: the metal you coat with
Negative: the metal you are coating

Question 11

What is electrolysis?

Answer 11

To pass an electric current through a molten solution so it splits into its elements