Candidates often identify the correct number of carbon environments from NMR spectra
AQA Chemistry emphasises practical technique; Edexcel emphasises industrial applications; OCR-A emphasises theoretical depth. If you study for AQA using only updated chem past papers from OCR, you will miss crucial question styles. Stick to your specific board and specification code (e.g., AQA 7405 vs AQA 2420). chem past papers updated