C1.1 Air and Water – Earth’s atmosphere – Part 1 (HT only) (OCR B)

C1.1 Air and Water – Earth’s atmosphere – Part 2 (OCR B)

C1.2 Air and Water – Temperature changes in chemical reactions (Chemistry only) (HT only) (OCR B)

C1.3 and C1.4 Air and Water – Evidence for climate change and potable water (OCR B)

C4.1-C4.2 Material choices – The use of data for choosing materials, and different types of polymers (Chemistry only) (HT only) (OCR B)

C4.3-C4.5 Material choices – How bonding and structure affects properties of materials, nano particles and what happens to products at the end of their life (Chemistry only) (HT only) (OCR B)

C5.1 Chemical Analysis – Separation of chemicals and testing for purity (OCR B)

C5.2 Composition of unknown samples (Chemistry only) (OCR B)

C5.3 Part 1 – How are the amounts of substances in reactions calculated (Chemistry only) (HT only) (OCR B)

C5.3 Part 2 – How are the amounts of substances in reactions calculated (Chemistry only) (HT only) (OCR B)

C5.4 – How are the amounts of chemicals in solutions measured (Chemistry only) (HT only) (OCR B)

C6.1 Making useful chemicals – Chemicals that can be made from acids (HT only) (OCR B)

C6.2 Making useful chemicals – How chemists control the rate of reaction (Chemistry only) (HT only) (OCR B)

C6.3 Making useful chemicals – Factors which affect the yield of chemical reactions (HT only) (OCR B)

C6.4 Making useful chemical – How chemicals are made on an industrial scale (HT only) (Chemistry only) (OCR B)

C7 Investigating a phenomenon scientifically, conclusions that can be made from data, how explanations are developed and how science and technology impact society (Chemistry only) (HT only) (OCR B)