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Combined Science
Edexcel GCSE Combined Science
Paper 4

Edexcel GCSE Combined Science · 1SC0

Edexcel GCSE Combined Science Paper 4

Chemistry 2

Length: 1 hour 10 minutes
Marks: 60
Weighting: 16⅔% of the GCSE

From the Edexcel specification (opens in a new tab), Issue 6, PDF page 9.

1 section · 37 revision notes

What’s on Paper 4

Chemistry

Formulae, equations and hazards · Key concepts in chemistry · States of matter and mixtures · Chemical change · Extracting metals and equilibria · Groups in the periodic table · Rates of reaction and energy changes · Fuels and Earth science37 notes

Formulae, equations and hazards Formulae, equations and hazards 2 notes
- Chemical formulae and equations Pro

Paper 4 past papers

We can’t match Edexcel GCSE Combined Science’s past papers to Paper 4 yet.

All Edexcel GCSE Combined Science past papers

Other papers

Paper 1 Paper 2 Paper 3 Paper 5 Paper 6

Hazard symbols and practical risk assessment Pro

Topic 1 Key concepts in chemistry

Atomic structure Atomic structure 2 notes
- Atomic models and structure Free
- Particle numbers, isotopes and relative atomic mass Free
The periodic table The periodic table Pro
Ionic bonding Ionic bonding Pro
Covalent bonding Covalent bonding Pro
Types of substance Types of substance 2 notes
- Substance types, physical properties and models Pro
- Carbon structures and simple polymers Pro
Calculations involving masses Calculations involving masses 4 notes
- Relative masses, percentage composition and solution concentration Pro
- Determining empirical and molecular formulae Pro
- Moles, masses and particle numbers Pro

Topic 2 States of matter and mixtures

States of matter States of matter Pro
Methods of separating and purifying substances Methods of separating and purifying substances 3 notes

Topic 3 Chemical change

Acids Acids 4 notes
Electrolytic processes Electrolytic processes 2 notes
- Electrolysis principles and products with inert electrodes Pro
- Copper purification and the electrolysis core practical Pro

Topic 4 Extracting metals and equilibria

Obtaining and using metals Obtaining and using metals 3 notes
Reversible reactions and equilibria Reversible reactions and equilibria Pro

Topic 6 Groups in the periodic table

Group 1 Group 1 Pro
Group 7 Group 7 2 notes
- Halogen physical properties and identification Pro
- Halogen reactions and reactivity Pro
Group 0 Group 0 Pro

Topic 7 Rates of reaction and energy changes

Rates of reaction Rates of reaction Pro
Heat energy changes in chemical reactions Heat energy changes in chemical reactions Pro

Topic 8 Fuels and Earth science

Fuels Fuels 2 notes
- Crude oil, fractional distillation and cracking Pro
- Fuel combustion, pollution and hydrogen alternatives Pro
Earth and atmospheric science Earth and atmospheric science 2 notes
- The formation and evolution of Earth's atmosphere Pro
- The greenhouse effect and climate change Pro

Chemistry overview

Conservation of mass and quantitative reaction relationships Pro