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Originally posted by thehappybunny:easy paper, only got some careless mistake here and there, like the one with ethanoic acid react with calcium carbonate, i forgot about CH3COO- (-ve charge) and that is Ca(CH3COO)2
zzz
then got the one about salt conducting electricity, its supposed to be mobile IONS and not mobile ELECTRONS.
zzz
other than that, easy paperisnt it (CH3COO)2Ca
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Originally posted by lpx88:It's a huge mistake to use screened methyl
Huge range of colours = Huge range of answersscreened methyl would be more accurate
theres a more obvious change in colour unlike methyl which is red and orange which is quite similar.
for titration
i guess the reason why some of you got 20+ for the NaOH is because u used a 20cm3 pipette whereas others use 25cm3 pipette
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Originally posted by kct360:yeah... me too... but ar... the picture part the examiner act cute... once i read finish the passage...she ask me turn around to the picture and she straight away ask,"Why are there so many adults in the picture?"
wth... i tot its for us to say one... den not enuf then them prompt.er ya?
i thgt is wait for examiner ask first question then u can crap all the way?
after that question then no need wait for prompt le la
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