1 A2/A-level resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter A2/A-level Subject Chemistry Exam board OCR TopicClear filter Acids, bases and salts Amines and azo dyes Material Revolution Organic Chemistry Resources Crossword Flashcards Multi-tool Quizsearch Amines and Amides A2/A-level, Chemistry 22 flashcards Search again