Edexcel GCSE Combined Science past papers
Edexcel GCSE Combined Science June 2023 Chemistry Paper 1H
- 1SC0/1CH
- Higher
- 1 hour 10 minutes
- 60 marks
Question paper, Mark scheme, Examiner report: on the Pearson Edexcel website.
Practise this paper's topics
5 new exam questions, 29 minutes, marked as you go. Free, no account.
- Acids, salts and pH
- Purity, formulations and chromatography
- Higher: equilibrium, concentration and temperature
- Electrolysis
- Reactivity, extraction and reduction
What it tested
- Chemical changes38 marks
- Chemical analysis12 marks
- Rates and equilibrium10 marks
- Q1Acids, salts and pH9 marks
- Q2Reactivity, extraction and reductionHigher: redox, strong and weak acids, electrode half equations9 marks
- Q3Higher: equilibrium, concentration and temperatureReversible reactions and equilibrium10 marks
- Q4ElectrolysisHigher: moles and balancing with moles9 marks
- Q5Acids, salts and pHStates of matter and properties of substances11 marks
- Q6Purity, formulations and chromatographyIonic and covalent bonding12 marks
June 2023 Higher grade boundaries
Marks needed across all six Higher papers, out of 360.
- 9-9279
- 9-8265
- 8-8251
- 8-7237
- 7-7223
- 7-6203
- 6-6183
- 6-5163
- 5-5144
- 5-4125
- 4-4106
- 4-396
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