Electrolysis Setup Quiz

What is the role of the cathode in an electrolytic cell?

• It is the power supply.

• It is the negatively charged electrode.

• It is the positively charged electrode.

• It is the liquid in the beaker.

Which material is commonly used for electrodes due to its conductivity?

• Glass

• Plastic

• Metal

• Wood

Why is graphite used as an electrode material?

• It is a metal.

• It is a nonmetal that conducts electricity.

• It is cheaper than metals.

• It is a liquid at room temperature.

What must the electrolyte be made of in an electrolytic cell?

• A non-ionic substance

• A solid metal

• An ionic substance

• A gaseous compound

How can an ionic substance be prepared to serve as an electrolyte?

• By compressing it

• By melting it or dissolving it in water

• By mixing it with oil

• By freezing it