Edexcel International GCSE (9–1) Chemistry 4CH1 · 2.10

Percentage of oxygen in air

Code: 2.10
In: 2c Gases in the atmosphere
Topic: 2 Inorganic chemistry
Course: International GCSE (9–1) Chemistry 4CH1
Board: Edexcel

Codes and titles are read by a script from Edexcel's published specification and have not been checked by a person. What each point covers is in the specification itself: Edexcel’s specification.

Points in 2c Gases in the atmosphere

2.9 Composition of dry air
2.10 Percentage of oxygen in air
2.11 Combustion of elements in oxygen
2.12 Thermal decomposition of metal carbonates
2.13 Carbon dioxide and climate change
2.14 Practical: percentage of oxygen in air