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wasn't too bad not hazarding a guess though mainly because marking is too subjective for my liking

yes, hence Cd > Ni > Ag > Pd meaning that Cd is most reactive, and Pd is least reactive decreasing = most to least

yep, just think about that titration q in short answer, they asked citric acid which is a weak acid by any other logic, other than 15 being A, equimolar citric and naoh should not have been added

12 is D, it asks for decreasing order of activity

15 is A weak or strong does not make a difference

The soda water bottle experiment is not a 'model' of equilibrium, unsure as to whether you'd get that marks, someone can correct me

mm yeh, however, a senior marker (that teaches at my school) says the answers in success one are "band 5 at best", i.e. I need further confirmation I think I'll probably switch to Strontium-90 for Industry..

the 50.0 shown in the max mark section in ext 2 merely means the max mark was 100 aligned, not raw

your chance for chem very very low even if you get 100%, phys its possible

Chem will have something on radioisotopes for sure on that note... does Americium 241 count as an Industrial radioisotope, after all, it's only used domestically.

Yeh, they still mark it 100% sure

yeh this there's a reason why 86% in chem was ranked 25/10k + people last year.

oh damn, my bad, e3 is 70 not 75, lol i fail im not sure what the e3 cutoff is theres alot of raw marks going around so you can check that

oh damn, my bad, e3 is 70 not 75, lol i fail im not sure what the e3 cutoff is theres alot of raw marks going around so you can check that

it is triprotic

Umm if E3 was 39/84 then E4 Raw minus E3 Raw is 15 marks E3 = 75 reported hence there is a one to one relationship between E3 cutoff, E4 cutoff and raw marks (only for this range, remembering that the difference is linear) 39/84 = 75 40/84 = 76 ... 53/84 = 89 54/84 = 90 This is only...

the marks between bands are linear so if 54/84 is the e4 cutoff (quite likely, i'd estimate cutoff at 54/84 this year) then 84 = 100 81 = 99 78 = 98 75 = 97 72 = 96 69 = 95 66 = 94 63 = 93 60 = 92 57 = 91 54 = 90 if you get a mark of say 59/84, that translates to 91.666666667 by this scale...

Yep, that's what my parents said too - all multiple choice makes marking cheaper i suppose

easy 4/4 lol, you are allowed to skip all +delta x stuff you can start with dv = 2pixy dx

you should have accelerated =p it was a little harder than 2010 but in saying that, this paper is not actually an 'epic hard' paper people make it out to be. 2006 was much harder