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OCR GCSE Chemistry A · J248

OCR GCSE Chemistry A Paper 1 (Foundation)

Length: 1 hour 45 minutes
Marks: 90
Weighting: 50% of the GCSE

From the OCR specification (opens in a new tab), Version 3.6 (September 2024), PDF page 11.

4 sections · 114 revision notes · 7 past papers

Higher tier students sit Paper 3 (Higher) instead, on the same topics.

What’s on Paper 1 (Foundation)

Topic C1 Particles

The particle model · Atomic structureAlso on Paper 3 (Higher)11 notes

C1.1 The particle model

CM1.1i Structural Representations Free

Paper 1 (Foundation) past papers

June 2024 01 (Foundation)
Question paper Mark scheme

C1.1a

Features of the Particle Model

Pro

C1.1b Physical vs Chemical Changes Pro

C1.1c Limitations of the Particle Model Pro

C1.2 Atomic structure

Particles overview

Topic C2 Elements, compounds and mixtures

Purity and separating mixtures · Bonding · Properties of materialsAlso on Paper 3 (Higher)48 notes

Topic C3 Chemical reactions

Introducing chemical reactions · Energetics · Types of chemical reactions · ElectrolysisAlso on Paper 3 (Higher)40 notes

C3.1 Introducing chemical reactions

C3.2 Energetics

C3.3 Types of chemical reactions

C3.4 Electrolysis

Chemical reactions overview

Topic C7 Practical skills

Practical Activity GroupsOn every paper15 notes

PAGs Practical Activity Groups

PAG 1 Reactivity Trend Practical Free
PAG 2 Electrolysis Practical 3 notes
PAG 3 Separation Techniques Practical Pro
PAG 4 Distillation Practical Pro
PAG 5 Identification of Species Practical 3 notes
PAG 6 Titration Practical 3 notes
PAG 7 Production of Salts Practical 2 notes
- General Separation and Purification Techniques Pro
- Practical Procedure: Producing a Pure, Dry Sample of a Salt Pro
PAG 8 Measuring Rates of Reaction Practical Pro

Practical skills overview

June 2023 01 (Foundation)
Question paper Mark scheme Insert 1 Insert 2

All OCR GCSE Chemistry A past papers

Data Translation

Pro

C2.2a Metals vs Non-Metals Pro

C2.2b Structure and Periodic Position Pro

C2.2c Electronic Structure and Periodicity Pro

C2.2d Bonding Types and Structures 5 notes

C2.2e Electrostatics in Bonding Pro

C2.2f Dot and Cross Diagrams Pro

C2.2g Model Limitations Pro

C2.2h Reactivity and Electronic Structure Pro

C2.2i Development of the Periodic Table Pro

CM2.3iii

Scale Estimation

Pro

CM2.3iv Standard Form with Nanoparticles Pro

CM2.3v Ratios in Surface Area Pro

CM2.3vi Calculating Geometry Pro

C2.3a Carbon Bonding Pro

C2.3b Carbon Compounds Diversity Pro

C2.3c Carbon Allotropes Pro

C2.3d State Changes and Bonding Forces Pro

C2.3e Predicting States of Matter Pro

C2.3f Bulk Properties of Materials 2 notes

C2.3g Nanoscale Dimensions Pro

C2.3h Surface Area to Volume Ratio Pro

C2.3i Properties and Uses of Nanoparticles Pro

C2.3j Risks of Nanoparticles Pro

Exothermic and Endothermic Reactions

Pro

C3.2b Reaction Profiles Pro

C3.2c Activation Energy Pro

C3.2d Bond Energy Calculations Pro

C3.3b

Redox: Electron Transfer

Pro

C3.3c Acids and Alkalis Ions Pro

C3.3d Neutralisation Reactions Pro

C3.3e Ionic Neutralisation Pro

C3.3f Reactions with Acids Pro

C3.3g Acid Strength and Concentration Pro

C3.3h pH Scale Pro

C3.3i Hydrogen Ions and pH Pro

C3.3j Logarithmic pH Scale Pro

C3.3k Measuring pH Pro

Molten Electrolysis Products

Pro

C3.4c Aqueous Electrolysis Products Pro

C3.4d Electrode Reactions Pro

C3.4e Electrolysis Techniques Pro

OCR GCSE Chemistry A Paper 1 (Foundation)

What’s on Paper 1 (Foundation)

Topic C1 Particles

C1.1 The particle model

Paper 1 (Foundation) past papers

C1.2 Atomic structure

Topic C2 Elements, compounds and mixtures

C2.1 Purity and separating mixtures

C2.2 Bonding

C2.3 Properties of materials

Topic C3 Chemical reactions

C3.1 Introducing chemical reactions

C3.2 Energetics

C3.3 Types of chemical reactions

C3.4 Electrolysis

Topic C7 Practical skills

PAGs Practical Activity Groups

What’s on Paper 1 (Foundation)

Topic C1 Particles

C1.1 The particle model

Paper 1 (Foundation) past papers

2024 papers

C1.2 Atomic structure

Topic C2 Elements, compounds and mixtures

C2.1 Purity and separating mixtures

C2.2 Bonding

C2.3 Properties of materials

Topic C3 Chemical reactions

C3.1 Introducing chemical reactions

C3.2 Energetics

C3.3 Types of chemical reactions

C3.4 Electrolysis

Topic C7 Practical skills

PAGs Practical Activity Groups

2023 papers

2022 papers

2021 papers

2020 papers

2019 papers

2018 papers