Qualification > Sciences

CHEMISTRY PAPER 1 HERE

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Priceless:

--- Quote from: MR.BooMBastiC on June 11, 2009, 10:45:29 am ---no.its brown
i guess...........

i havent been to the lab since 2 years.. .......!!!!

my cheap school [sighs]

--- End quote ---

lol...cmon mr bombastic..... :)

but nw im evn more confused.....wats da answer den ???......wers cockyx?

....:

--- Quote from: Priceless on June 11, 2009, 10:44:59 am ---xactly madee.....so dats y ders no change in da electrolyte....so it is 'b'...

n thnkz though madee n i-insane...i 4got abt dat sodium CO3 duznt decompose......but is iron carbonate white?


--- End quote ---

No kidding, but I've never even heard of zinc carbonate :P
But, sodium carbonate doesn't decomposes, lead oxide is black, copper oxide is black, iron oxide is yellow..so iron is the only thing possible. Even if you consider sodium, sodium oxide is white.

shafiq_92libra:

--- Quote from: sweetest angel on June 11, 2009, 10:25:35 am ---1) SODIUM SINCE ITS DA ONLY METAL
2) "D" SINCE hydroxide is colourless gas...copper pink solid!!
3)can u post the paper...i remeba doin' it buh cnt give xact explanation unless sure of answer!

--- End quote ---

you ppl sure
i think it shud b chlorine cos hcl is an ionic compound in liquid

Priceless:
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 :)

shafiq_92libra:
yah but nah sounds wrong 0_0

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