Adrian AllenJan 191 minConcentration of hydrogen ions: Past Paper Question AnalysisP3 June 2017 Q9 This question is about hydrogen ion concentration If you haven't gone through the paper, please look up the questions at...
Adrian AllenJan 31 minReactions with concentrated sulfuric acid: Past Paper Question AnalysisP3 June 2017 Q2 This question is about the reactions between alkenes, alcohols and sodium halides and concentrated sulfuric acid. If you...