mnemonics/acronyms, the weirder the better
when in doubt about ion tests i just look at solubility constants on formula sheet and pick some random ion that precipitates with one of the targets but not another
sorry for late reply have been grinding maths papers (and failing)
yeahhhh join the <1 wk before crew
for essays, i think it's pretty much the same kind of content you'd need to apply in short answers, just with stronger links/logic between parts and an overall 'thesis' kinda thing. i...
look cover write check (essentially) + practise questions
syllabus and other rote memorisation stuff i just wrote it out over and over again by memory on a whiteboard (used funky colours so i didn't get too suicidal) until i knew it off by heart
practise questions are better for memorising...