Understanding Aqueous Electrolysis

What is the primary product formed at the cathode during the electrolysis of water?

• Oxygen gas

• Hydrogen gas

• Chlorine gas

• Carbon dioxide

Which of the following is a key component of an electrolytic cell?

• Transformer

• Battery

• Generator

• Turbine

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

• To conduct electricity

• To insulate the electrodes

• To produce light

• To generate heat

Which of the following is a common application of electrolysis?

• Baking

• Electroplating

• Fermentation

• Distillation

What is the chemical formula for water?

• NaCl

During the electrolysis of water, what is the ratio of hydrogen to oxygen gas produced?

• 1:1

• 2:1

• 1:2

• 3:1

Which of the following is NOT an example of an electrolyte solution?

• Saltwater

• Sugar solution

• Vinegar

• Lemon juice

What is the main reaction occurring at the anode during the electrolysis of water?

• Reduction of oxygen

• Oxidation of water

• Reduction of hydrogen

• Oxidation of hydrogen

Which metal is commonly extracted using electrolysis?

• Iron

• Aluminium

• Copper

• Gold

What is the unit of electric current used in electrolysis?

• Volt

• Ampere

• Ohm

• Watt