Electrolysis of solutions (AQA GCSE Chemistry Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is electrolysis?
What is electrolysis?
Using electricity to break down a solution
Where do the hydrogen and oxygen gases come from during electrolysis of solutions?
Where do the hydrogen and oxygen gases come from during electrolysis of solutions?
Water molecules in the solution
What charge do hydrogen ions () have?
What charge do hydrogen ions () have?
Positive
What charge do hydroxide ions () have?
What charge do hydroxide ions () have?
Negative
What is the cathode?
What is the cathode?
The negative electrode
What is the anode?
What is the anode?
The positive electrode
What is produced at the cathode if the metal is more reactive than hydrogen?
What is produced at the cathode if the metal is more reactive than hydrogen?
Hydrogen gas
What is produced at the cathode if the metal is less reactive than hydrogen?
What is produced at the cathode if the metal is less reactive than hydrogen?
The actual metal
What is produced at the anode if no halide ions are present?
What is produced at the anode if no halide ions are present?
Oxygen gas
What is produced at the anode if halide ions are present?
What is produced at the anode if halide ions are present?
Halogen gas
What is produced at the cathode during electrolysis of sodium chloride solution?
What is produced at the cathode during electrolysis of sodium chloride solution?
Hydrogen gas
What is produced at the anode during electrolysis of sodium chloride solution?
What is produced at the anode during electrolysis of sodium chloride solution?
Chlorine gas