Many students doing their O level have difficulty doing well in quantitative analysis or identification of ions. Any tips to help them perform better?
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em.able
Certainly agree and one of the ways to do so is to firstly (sadly) memorise the colors and solubility of the each reaction with the reagents added. Dissect the work into cations, anions and identification of gases. To make is easier work in the following manner of analysis
Cations: Identify the colors and solubility when each reagent is added
Anions: Remember the regents and color of the precipitate form
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