Short summary: A free 4-page titration revision sheet for OCR A (H432): the titration road map, an answer checklist, the 5 mistakes that cost the most marks and 3 OCR-style questions with a mark scheme.
Description:
Every OCR A titration calculation follows the same chain of steps. This free sheet shows students the chain and the mistakes that lose the most marks.
Inside:
The titration road map: titre → moles → ratio → scale up → answer
Check before you write the answer: a 6-point checklist
The 5 mistakes that cost the most marks, each with what to do instead
3 OCR-style questions (7 marks): a results table, an Mr calculation and percentage uncertainty
An OCR-style mark scheme with ECF and common errors
Great as a starter, homework, revision sheet or a quick check before a mock. Works for Year 12 and Year 13.
Want the full step-by-step course?
Titrations 1: https://www.tes.com/teaching-resource/resource-13614620
Titrations 2: https://www.tes.com/teaching-resource/resource-13614636
Titration 1 free sample: https://www.tes.com/teaching-resource/resource-13614715
Titration 2 free sample: https://www.tes.com/teaching-resource/resource-13614722
Next topic, pH, Acids and Buffers (A2): https://www.tes.com/teaching-resource/resource-13625146
Free to use with your own students; please do not resell. Written for OCR A H432; not endorsed by OCR.
Keywords / tags: free, OCR A level chemistry, H432, titration, titration calculations, revision, road map, checklist, common mistakes, AS chemistry, A2 chemistry, Year 12, Year 13, mark scheme
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