Electrolysis (AQA GCSE Chemistry Combined Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Why can molten ionic compounds conduct electricity?
Why can molten ionic compounds conduct electricity?
Ions are free to move
What is the state of ions in solid ionic compounds?
What is the state of ions in solid ionic compounds?
Fixed in place
Why must ionic compounds be heated to high temperature for electrolysis?
Why must ionic compounds be heated to high temperature for electrolysis?
To become molten
What is electrolysis of molten compounds used to extract?
What is electrolysis of molten compounds used to extract?
Pure elements
What is formed at the cathode during electrolysis of molten ionic compounds?
What is formed at the cathode during electrolysis of molten ionic compounds?
Pure metals
What is formed at the anode during electrolysis of molten ionic compounds?
What is formed at the anode during electrolysis of molten ionic compounds?
Gases or non-metallic elements
What type of reaction occurs at the cathode?
What type of reaction occurs at the cathode?
Reduction
What type of reaction occurs at the anode?
What type of reaction occurs at the anode?
Oxidation
What are ionic compounds made of?
What are ionic compounds made of?
Positive and negative ions
What charge do the ions have that move to the cathode?
What charge do the ions have that move to the cathode?
Positive