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i just have to ask some exam protocols, can i use pencil to draw diagrams, can i draw diagrams/ circles without ruler/compass and can i use correction tape in the case of an emergency? thanks

how about a 90-94

For industrial...what was the main use of sulfuric acid???....i did dehydrating agent....but not sure.

what is the answer to that chromium question...sorry i dont have the paper so i cant check with the answers you've given. I got B

I didnt mention LDPE OR HDPE.. after i talked about cracking crude oil, i just talked about initiation, propagation and termination....then i talked about how it is made into a bottle....would i lose marks for not mentioning which type (LDPE/HDPE) it is?

ohhhh ok...but how do you know where the equivelance point is for each ionisation level(because its diprotic)

bump

if we were asked to draw a titration graph for a diprotic acid and a monoprotic base(or other way around) how do we know the endpoint for the first ionisation when we come to draw it..... i hope im making any sense at all. Thanks

Thanks...you to:)

yeee. I'm confused as to why there is a change between spring and winter.....can someone please help me (preferably with equations hehehe....) Thanks heaps

This is a massive guess........because for anions all electron spaces in the shells are used up...so an electron cannot change energy levels, hence asorb and release energy in the form of light....??????

i dont get the winkler method.... can someone please explain. thanks:)

hey guys, does anyone have the marking guidlines to the 08 catholic chem paper? If you do can you please post up an attachment...the link on the resources page isnt working. Thanks heaps:)

yeah i got a unsw interview

do you have to use a production....can't you just use critics???

how do you right a randio transcript????

Anything could come, but in the past it has all been stories with the exception of 2002-letter. There are not really much practise questions on other text types, especially for belonging.

thanks

anyone??????