Qualification > Sciences
CHEMISTRY PAPER 1 HERE
shafiq_92libra:
oh lol its cos chlorination and filtration is for less polluted water not for water polluted wid fertilizers
i think lol
its definately not chlorination as chlorination is only used to kill bacteria
bt im not sure why filtration cant b used 0_0
examfreak:
hmmm..that exactly wat i was wandering about....hmmm...it's okay thanx anyway:)
sry but i have got one more question:P..wat is meant by the "oxidation state"?
Feva:
gah i forgot lots of what i studied for paper 3...
tried my best to recover :P but ehhh i dont care anymore .. last exam.. dont care if i mess up :D :P
angell:
dont think that way - its 30% weightage dude!!
aquarian93:
which salts are soluble in acids and which salts react with acids? ???
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