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generally the common anions are sulfate, phosphate, carbonate and chloride (there the ones you need to know) and the common cations are barium, calcium, copper, lead, iron (II) and iron (III)

Well first of all you cant use the flame test for lead because it forms a toxic lead vapour which is harmful for humans ---brain damage, neurological interference etc. generally you add Hydrochloric acid to a solution of cations. If a white precipitate forms (this is lead chloride), then lead...

yea..its going alrite.....i need to do more papers though....ive only done 2 so far :( what about u???

possibly....wasnt really sure

your student ID number is the one on your school certificate...i donno about others but mine starts with 1998 (i think its the year you started school in australia...cause everyones student ID in my grade starts with that....i donno where the ^^^2008 came from.....did u like just come to...

ive argued this with like tonnes of people....i still think chem ftw :).....chem is soo interesting and useful.....when the hell are you gonna care about space and projectile motion,......whereas concepts like environmental chemistry etc. are useful in everyday life (in case u think im biased...

you do realise you posted on a thread thats like 6 years old rite

sorry to say but i think you have to be living in it for the last 5 years.....(dont quote me on this though)

look at his sig....

im not fully sure...but i think a lot of ppl say that its normal not to finish section 1 in the time limit

Because all of bio, legal and pdhpe require a lot of memorising...that cant be the influencing factor....however, in terms of scaling they are all 'meh', but pdhpe scales SHITHOUSE if u do average...i mean if u do well anything scales in your favour...so if ur performing the same in all then i...

u self learnt the whole 4U course...wow thats impressive :)

not to sound like a dikhead but 0.05 off..lOL....probs making the pain worse

^^thanks..much appreciated

with HSC plus, you are allowed up to 5 additional points on your ATAR rite....so technically if someone got 96 ATAR and got 4 additional points (becomes 100 or 99.95) and someone else applying for course got 96 ATAR but 5 additional points (thus 101 ATAR, even though its not possible) will both...

hhah...i just looked at ur sig...doing 21 UNITS !!!!!!!!!!!...good luk with that//

does anyone have any idea about when the stuff is gonna come???

i dont know much about it but im considering doing this degree in the future...apparently, job opportunities are limited in specific biomedical jobs, but because it is a kinda specialisation from mechanical engineering, u can still be a mechanical engineer....so in a sense u have nothing to lose...

we got the point the first time u posted....jeez...no wonder u have a high post count