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no if they ask to show strong acid weak acid as the emphasise is on the arrows yes if they say ionise in water

hmm that would be right, you can always split ionisation of sulfuric acid into two parts XD H2SO4 + H2O ---> HSO4- + H3O+ HSO4- + H2O ---> SO42- + H3O+

yer you don't, I do it because helps me remember XD lol

the syllabus isn't that much, just goto the resource section and find a good summery and just read read read, you can always skip the ones you already know

err, study syllabus and not past paper ??

hmm I see 100000000000000000

enzyme for PLA I would say lactic acid, more specific lol didn't know about that name ahhhhhhhhh

lol 6 then hmm unrealiable source

other current research for PLA - testing of PLA/polyester co-polymer film - increasing the yield of lactic acid ester

eutrophication is the presence of nutrients enriches waterways which allow aquatic plants to grow abundantly, that's the definition I know

lol err, ohh wells

cellulose has a long chain carbon structure which give it the potential to replace petroleum as feedstocks for petrochemicals as each glucose monomer consist of 4 carbon atoms linked in a chain with -OH and -H functional groups do each glucose have 4 carbon atoms ?? or is the wording wrong...

...anyone have different one then ?? err

a better way, think of the experiment as a picture in your head and one electrode getting eaten away while the other one grows kahahahaha

okai koo thanks dude

lol yups okai

yes, because it is less reactive, oxidant is something that makes the stronger metal oxidise while itself reduce

lol thanks, also was the dry cell equation you put before the full one ??

teacher told us to set it out in table form, like in each aspect

I'm not complaining =p lol