The Process of Electrolysis (AQA GCSE Chemistry Combined Science): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does electrolysis use to separate an ionic compound?
What does electrolysis use to separate an ionic compound?
Electric current
What does the term 'electrolysis' mean?
What does the term 'electrolysis' mean?
Splitting using electricity
What state must an ionic compound be in for electrolysis to occur?
What state must an ionic compound be in for electrolysis to occur?
Molten or dissolved
Why can't ions in a solid ionic compound undergo electrolysis?
Why can't ions in a solid ionic compound undergo electrolysis?
Fixed in crystal lattice
What is the electrolyte in an electrolysis setup?
What is the electrolyte in an electrolysis setup?
Ionic compound with free-moving ions
Which electrode is the anode?
Which electrode is the anode?
Positive electrode
Which electrode is the cathode?
Which electrode is the cathode?
Negative electrode
What does it mean if electrodes are made of inert materials?
What does it mean if electrodes are made of inert materials?
They don't react with electrolyte
Which ions are attracted to the cathode during electrolysis?
Which ions are attracted to the cathode during electrolysis?
Positive ions
What happens to positive ions at the cathode?
What happens to positive ions at the cathode?
Gain electrons (reduction)
What happens to negative ions at the anode?
What happens to negative ions at the anode?
Lose electrons (oxidation)
What forms can the products of electrolysis take?
What forms can the products of electrolysis take?
Solid sediments or gases