Learn about and revise electrolysis with this BBC Bitesize GCSE Chemistry (AQA) study guide.

Electrolysis Example Questions · Question 1: A solution of aqueous copper chloride is electrolysed. · Question 2: Explain why the electrodes used in electrolysis ...

Questions and model answers on Electrolysis for the Cambridge (CIE) IGCSE Chemistry syllabus, written by the Chemistry experts at Save My Exams.

Questions and model answers on 4.1 Electrolysis for the Cambridge O Level Chemistry syllabus, written by the Chemistry experts at Save My Exams.

(a) One of the products of the electrolysis of sodium chloride solution is hydrogen. (i) Why do hydrogen ions move to the negative electrode? _____. _____.

Gases were given off at both electrodes. (a) The gas collected at the anode was oxygen. Draw one line from the test for oxygen to the correct result.

Q5. This question is about electrolysis. A student investigated the electrolysis of copper chromate solution. Copper chromate solution is green.

Comprehensive exam-style questions on Electrolysis for the GCSE Chemistry OCR 21st Century Higher Triple specification.

1. Explain why chlorine gas forms at the positive electrode. (2) ; 2. Why can aluminium not be extracted by heating aluminium oxide with carbon? (2) ; 3. Explain ...

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