OCR Gateway A C4.2.3 - Detecting Anions Summary

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OCR Gateway A revision video for Chemistry on C4 – Detecting Anions for the foundation and higher tier. First exams in 2018.
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Yet again, another great video, thanks! I’ve got a question though: Why do you add dilute hydrochloric acid when testing for sulphate ions?

Rslen
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Is this for combined science higher or are ur videos with 6 clips for combined science higher

jhcphone