AQA Electrolysis basics

What state does the Ionic electrolyte need to be in?

• Solid

• Liquid

• gas

What ions do all metals form?

• Positive ions

• Negative ions

Why does the electrolyte need to be a liquid?

• ELECTRONS are free to move.

• PARTICLES are free to move.

• IONS are free to move

Which electrode do negative ions attract to?

• Positive electrode

• negative electrode

Which electrode do positive ions attract to?

• positive electrode

• negative electrode

What is the name of the solution that is electrolysed in the beaker?

• electrode

• electrolyte

• electron

What substance are the electrode rods made from?

• Carbon

• metal

• plastic

Which of the below would be attracted to the positive electrode?

• Cu2+ ions

• Cl- ion

Why are positively charged ions attracted to the negative electrode?

• Due to the movement of ions

• they just do.

• its the rule

• Opposite charges attract

What is the energy source used in electrolysis?

• Solar power

• batteries

• electricity

• gas