Chemistry 4CH0
Edexcel International GCSE Chemistry 4CH0 — Electrolysis topical past papers
21 past-paper questions on Electrolysis for Chemistry 4CH0.
- Questions
- 21
- Years
- 2011–2019
- With mark scheme
- 100%
- Questions 2015–2019
- 14
Anyone can browse these pages. Opening the questions and their mark schemes takes a free Momentum account.
How Electrolysis has been examined
From 2015 to 2019, Electrolysis was on 2C in 5 of 9 exam series, worth about 9% of that paper’s marks.
| Paper | Questions | Share of marks | Series |
|---|---|---|---|
| 1C | 4 | 3% | 3 of 8 |
| 1CR | 1 | 1% | 1 of 4 |
| 2C | 6 | 9% | 5 of 9 |
| 2CR | 3 | 10% | 3 of 4 |
Momentum’s own count, over the questions in its bank for these years: a series is one exam session, every zone included, and a question filed under two chapters counts in both. Median marks per question: 8.
Filed in Momentum under: Electrolysis.
Practising in Momentum
- Every question in a chapter as one list, from every paper and year in the bank, newest first or shuffled.
- Each question turns over to its own part of the mark scheme, where the board published one.
- Narrow by paper, year, session, zone and marks, and star the questions worth keeping.
- Pick chapters, a number of questions and a time, and the exam builder draws a mock to sit and mark.
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