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Urgent cie chemistry questions!!
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Topic: Urgent cie chemistry questions!! (Read 920 times)
mousa
SF Citizen
Posts: 233
Reputation: 447
Urgent cie chemistry questions!!
«
on:
March 27, 2010, 03:14:54 pm »
Hello everyone, i need help with those questions:
Q 13,19,26,28.
Thanks in advance.
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mousa
SF Citizen
Posts: 233
Reputation: 447
Re: Urgent cie chemistry questions!!
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Reply #1 on:
March 28, 2010, 03:08:15 am »
no one?\
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nid404
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Re: Urgent cie chemistry questions!!
«
Reply #2 on:
March 28, 2010, 04:10:02 am »
In the night...I have to do bio n mechs for my exam tom...
hopefully some1 will be able to do it before me
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student92
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Posts: 5
Reputation: 3
Re: Urgent cie chemistry questions!!
«
Reply #3 on:
March 28, 2010, 06:20:16 pm »
Q 13 -B
Q19 - D
Q26 - A
Q28 - C
Anything else?
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Nobody
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Re: Urgent cie chemistry questions!!
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Reply #4 on:
March 28, 2010, 06:28:46 pm »
here...if you need other answers..
http://www.srepapmaxeeeerf.org/A%20Level/Chemistry/CIE/2009%20Jun/9701_s09_ms_1.pdf
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nid404
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Re: Urgent cie chemistry questions!!
«
Reply #5 on:
March 28, 2010, 07:34:15 pm »
he wnted ull to explain it
lol..nvr mind
Q13...All the other salts r soluble...won't precipitate...
Q19 No option but to sit an count
Q26 A has only a carbonyl group...Sodium will not react with it
Q28 one carbonyl in the ring structure, one in CO2 and one in COOH that forms
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Urgent cie chemistry questions!!