Ocr chemistry Study guides, Class notes & Summaries

OCR 2023 Chemistry A H432/03: Unified chemistry A Level Question Paper & Mark Scheme (Merged)

OCR 2023 Chemistry A H432/01: Periodic table, elements and physical chemistry A Level Question Paper & Mark Scheme (Merged)

OCR 2023 Chemistry A H032/02: Depth in chemistry AS Level Question Paper & Mark Scheme (Merged)

OCR AS Level Chemistry A H032/01 Breadth in chemistry Question paper And Mark Scheme for June 2023

This is an 85 page detailed summary of the OCR A level chemistry course and covers every specification point in a concise manner, including keywords from mark schemes. I made this during my A levels and I hope it is useful !! Pleas remember to supplement this with regular past paper practise. Good luck xx

OCR A Level Chemistry Paper 1 (H432/01) Periodic table, Elements and physical chemistry Mark Scheme June 2023. FIRST CHECK THE ANSWER ON ANSWER LINE If answer = –1872 award 2 marks ----------------------------------------------------------------- H lattice = 2(+ 296) – 965 – 503 – 180 + 2(–107)– 602 H lattice = –1872 (kJ mol–1 ) 2 AO2.2 2 ALLOW for 1 mark +1872 (wrong sign on answer) Common errors for 1 mark –3056 (–296 x 2 instead of 296 x2) –2168 (2...

OCR 2023 GCSE Chemistry A Gateway Science J248/04: Paper 4 (Higher Tier) Question Paper & Mark Scheme (Merged)