Electrolysis Quiz

What is electrolysis?

• A process involving heat transfer in a liquid

• A type of nuclear reaction

• A type of mechanical reaction

• Flow of electrical current in a conducting solution or molten liquid that causes chemical changes

What are positive ions called?

• Anions

• Protons

• Electrons

• Cations

What happens when ions meet the electrodes in electrolysis?

• Electron exchange happens triggering a chemical reaction

• The ions become neutral

• The ions disappear

• The electrodes melt

What is the positive electrode called?

• Electrolyte

• Cathode

• Conductor

• Anode

What is the liquid that can conduct electrical current called?

• Electrolyte

• Insulator

• Conductor

• Semiconductor

What happens when current flows in the electrodes and wires?

• Ions move and carry the electrical charge

• Electrons move and carry the electrical charge

• The electrodes heat up

• The wires break

What is the negative electrode called?

• Anode

• Cathode

• Electrolyte

• Conductor

What increases the ion flow rate in an electrolyte?

• Increasing the concentration of the solution

• Using a smaller electrode

• Decreasing the potential difference

• Increasing the temperature

What is the movement of charge in electrolysis?

• Movement of electrons

• Movement of ions

• Movement of neutrons

• Movement of protons

What happens when anions meet the positive electrode?

• They disappear

• They are attracted to it

• They repel from it

• They become neutral