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u know wot? the RACI quiz actually test *real* chemistry, so wot u learn from HSC won't help.

Mg turnings + heaps of sparkler dust = bigger fireworks

wot's the probability of that happening?

if its a river big enough for fish to live in, i'm sure it won't matter.

just throw chunks of K into the river. that's a safe alternative.

YES! seriously but that's only if you can confidently get Q1-7 anyway if not, then invest ur time on better things

it'd be helpful to learn a little extra things beyond the syllabus. however what you've listed there is probably useless. you'll need to know what you're looking for. i guess good tutors will teach u extra stuff now and then, otherwise looking for extra stuff yourself will be hell

can i be oldman for tonite and pretend to do a geometric for the centre of circle? ok having done my homework, i know the centre must lie on the y axis. this is cos it must lie on the perpendicular bisector of the pts B and D. lets call the centre O(0, k), represented by the complex...

hey CM, wot's ur thesis on, can u tell? and are u planning to teach high school chem in the future? or something higher?

hehe nono not this problem. i meant harder problems. and besides being a med student i'm deprived of even uni maths. how boring

can u post challenge problems for ex-students too? i'm starting to forget my 4u alreadi

:eek: :eek: :eek:

weak acid calcs are not in the syllabus, but if u're that interested, the dissociation is such that [H+][A-]/[HA] = Ka (a constant depending on the acid being considered)

post it up

aww there there i was only trying to give u some friendly advice :p and im sure it paid off in the long run. and im sure one day u'll have enuff ppl doing the showing-off for u and u'll have to tell them all to shutup cos it gets ~that annoying. so turtle, u shutup about me and i'll...

nahh i don't like revisiting 4u maths anymore. makes me feel as if i haven't graduated yet. and i'm not really part of the maths faction anymore - i've defected to chem. too bad the syllabus doesn't offer enuff depth for me to answer anything useful.

i think it's a test for cations / anions and about solubility rules

well in real life usually so-called "pros" have such a good reputation already that it would be meaningless to try to act any smarter. in fact they have people showing off for them. so there's no fun playing a game that's already won. in forums it's different. u can try to see how long it...

if it hasn't dawned upon u guys, yes this forum is a place where pros show off. u really think we're trying to be friendly and helpful?

i think turtle and i both learnt it off ben burton in our first maths camp...wot, bak in dec '99?