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for barium sulfate modifications one... i talked about how barium can precipitate with not just sulfate but also phosphate so you had to use lower ph and also how the presence of lead will precipitate also with chloride so it is better to use nitrate... does this sound totally off???

for barium sulfate modifications one... i talked about how barium can precipitate with not just sulfate but also phosphate so you had to use lower ph and also how the presence of lead will precipitate also with chloride so it is better to use nitrate... does this sound totally off??

How do you do that conics q with the area of triangle??

How did everyone go in music 2?? And also just wondering if anyone knows if we get our performance/comp/musicology marks separately or not?? Or do we never find them out separately??? Cheers xx

thats so cute

i play the piano and i was wondering what everyone played as their extension music repertoire.. i heard they have to be contrasting pieces but do they have to be from different time periods???? like can i play two pieces from the same time period but like different styles??? im thinking of...

Hi Im currently in year 11 and I do 3 unit maths I know there are lots of other threads like this but just wondering if I should pick up extension 2 maths. Maths is my favourite subject I am ranking first in class but the problem is our school is really small and stuff so Im not really sure...