Qualification > Sciences
CHEMISTRY PAPER 1 HERE
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--- Quote from: simba on June 11, 2009, 10:46:57 am ---hey guyz will somebody help me in this question number 25 november 06.....
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Copper is low in the reactivity series, and doesn't react with acids or steam/cold water.
Magnesium reacts with steam and acids but not with cold water unless crushed.
Calcium reacts with all, acids, steam and cold water.
Thus, only calcium and magnesium react to form hydrogen.
Priceless:
cmon....lol....sounds wrong?....just go wid ur facts n knowledge ;) :D
nourz:
--- Quote from: shaxter8 on June 11, 2009, 04:33:11 am ---GUYS, WHERE CAN I GET CHEMISTRY PAPER1 PAST PAPERS FROM 1993-2002?
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did u get the markschemes for them? if yes from where? i rlyy need them!
MR.BooMBastiC:
in da last question of yellow oxide..
there should be another option
E."NONE OF THE ABLOVE"
and i would choose E...lolzzzzzzzzz
wr r u cocky......... :(
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--- Quote from: Priceless on June 11, 2009, 10:54:50 am ---yes shafiq...im pretty sure abt sodium.....ionic compounds is da bonding b/w a metal n a non-metal....
n i-insane.....lol....i guess itz iron den but not sure though......thnkz though...all da best :)
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All the best to you too!
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