Ocr chemistry Study guides, Revision notes & Summaries

A-level OCR Chemistry A checklist. I made this using the OCR specification, so everything you need to know is on here.

Weighing a solid correct answers1. Zero the balance 2. Place weighing bottle/boat onto balance and add in the approximate required mass of solid 3. Accurately weigh solid and weighing bottle and record 4. Empty solid into glassware where it will be used 5. Accurately reweigh empty weighing bottle 6. Subtract recorded mass for empty weighing bottle from mass recorded for solid and weighing bottle Measuring a volume of a liquid using a pipette correct answersPipettes used for ac...

OCR A LEVEL JUNE 2022 CHEMISTRY B PAPER 2 QUESTION PAPER

OCR AS Level Chemistry A H032/02 Depth in Chemistry Question Paper With Answers June 2022 | 100% Verified OCR AS Level Chemistry A H032/02 Depth in Chemistry Question Paper With Answers June 2022 | 100% Verified

describe the structure of Benzene - correct answers: • a cyclic hydrocarbon with 6 carbon, and 6 hydrogen atoms. • the bond angle and shape around each carbon is 120' trigonal planar. • each C has 4 outer shell electrons; - 3 of these bond to 2 other carbon atoms, and 1 to a hydrogen atom. - these form a Sigma bond. - a fourth outer shell electron in the 2p orbital is left behind above and below the planes of the carbon atoms. • the electron in the p-orbital of a carbon atom ov...

OCR chemistry a level 2021 with mark scheme all paper