Chemistry WCH01
Edexcel International A Level Chemistry WCH01 — Acid-base Equilibria topical past papers
77 past-paper questions on Acid-base Equilibria for Chemistry WCH01.
- Questions
- 77
- Years
- 2012–2019
- With mark scheme
- 97%
- Questions 2015–2019
- 48
Anyone can browse these pages. Opening the questions and their mark schemes takes a free Momentum account.
How Acid-base Equilibria has been examined
From 2015 to 2019, Acid-base Equilibria was on 4(IAL) in 9 of 10 exam series, worth about 27% of that paper’s marks.
| Paper | Questions | Share of marks | Series |
|---|---|---|---|
| 2(IAL) | 4 | 6% | 4 of 10 |
| 4(IAL) | 38 | 27% | 9 of 10 |
| 5(IAL) | 6 | 2% | 4 of 10 |
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: 1.
Filed in Momentum under: Acid-base Equilibria.
Practising in Momentum
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