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i know youve already had it answered but just for my benefit.. destructive in what sense? as in does it ruin the sample?

we need to identfy different substances.. and to cut to the chase, i am having trouble differentiating between barium chloride and sodium sulfate with only the availability of silver nitrate, HCl, NaOH, and universal indicator! becuase the two have the same pH and both form no precipitate when...

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are you in new south wales? what was the uai that you needed to get into health sciences at university of otago? its hard to find out because they dont use the uai, thanks