Ocr a level Study guides, Revision notes & Summaries

Ocr A Level Chemistry Paper 1: H432/01 Periodic table, elements and physical chemistry QUESTION PAPER for June 2023

This is the final mark scheme

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 GCE Physics A H556/01: Modelling physics A Level Question Paper & Mark Scheme (Merged) Please write clearly in black ink. Do not write in the barcodes. Centre number Candidate number First name(s) Last name Oxford Cambridge and RSA Wednesday 24 May 2023 – Afternoon A Level Physics A H556/01 Modelling physics Time allowed: 2 hours 15 minutes INSTRUCTIONS • Use black ink. You can use an HB pencil, but only for graphs and diagrams. • Write your answer to each questi...

This is the official question paper

OCR A Level Chemistry B (Salters) H433/02 Scientific literacy in chemistry June 2023 Questiion Paper