This Study Mind Tutorial covers the following specification points:

AQA: 3.1.3.2, 3.1.3.4

OCR: 2.2.2 (d, e, n, o)

Edexcel:

CIE: 3.1.1-4, 3.4.1, 3.4.3, 3.4.2, 13.3.2-4