Written by experienced examiners and teachers, the OCR AS Chemistry A Revision Guide provides: * comprehensive coverage of the specification for the exams * bite-sized chunks of information, making it easier for students to organize their revision time * quick-check revision questions to test ...
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The dark locations are classified as characters and the background is defined as the light region. In the techniques, OCR software may differ, but usually examine one character, word or group of characters at a period and then classify characters using one of two algorithms below. ...
This video includes two slightly more difficult worked examples of synthetic routes with calculation questions to help consolidate knowledge of organic reaction pathways. Back to Top Revise Organic Reaction Mechanisms Video that looks at all the AS mechanisms needed. ...