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Author Topic: Chemistry paper 1 help  (Read 12276 times)

Offline Weaam

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Re: Chemistry paper 1 help
« Reply #75 on: May 26, 2010, 10:25:45 am »
Quote from: SNA on May 26, 2010, 10:23:46 am
oh that one was the last option.cant remember the sequence though.
i think it was 2124. n confirmed wf my teacher.

How can it be the last one? :O
The last one had filteration TWICE.
I dont think that was it  :-\
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Offline Weaam

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Re: Chemistry paper 1 help
« Reply #76 on: May 26, 2010, 10:27:18 am »
and also did you get 5 As in the begining of the test, for qs 6,7,8,9,10?
I got all As for those! :P
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Offline SNA

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Re: Chemistry paper 1 help
« Reply #77 on: May 26, 2010, 10:30:25 am »
Quote from: weaam on May 26, 2010, 10:25:45 am
How can it be the last one? :O
The last one had filteration TWICE.
I dont think that was it  :-\
i act changed the answer at the last minute. and i was confused by the filtering to!
but...you filter it once to remove the excess copper. then you concentrate it. you filter it again to dry it between folds of filter paper and to obtain the crystal.
:D
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Offline SNA

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Re: Chemistry paper 1 help
« Reply #78 on: May 26, 2010, 10:31:56 am »
Quote from: weaam on May 26, 2010, 10:27:18 am
and also did you get 5 As in the begining of the test, for qs 6,7,8,9,10?
I got all As for those! :P
haha..sorry i cant remember them!but if you can give a clue on each question, i bet i can remember em!
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Offline Weaam

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Re: Chemistry paper 1 help
« Reply #79 on: May 26, 2010, 10:33:24 am »
Quote from: SNA on May 26, 2010, 10:30:25 am
i act changed the answer at the last minute. and i was confused by the filtering to!
but...you filter it once to remove the excess copper. then you concentrate it. you filter it again to dry it between folds of filter paper and to obtain the crystal.
:D
That right there, confused the hell out of me  :-\
anyways, wats gone is gone! cant change now!
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Offline Weaam

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Re: Chemistry paper 1 help
« Reply #80 on: May 26, 2010, 10:35:00 am »
Quote from: SNA on May 26, 2010, 10:31:56 am
haha..sorry i cant remember them!but if you can give a clue on each question, i bet i can remember em!


I cant really remember each question but it was really clear on the answer sheet, u get 5 As in the top of the first colomn, thats wat i got!  :P
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Offline SNA

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Re: Chemistry paper 1 help
« Reply #81 on: May 26, 2010, 10:39:37 am »
Quote from: weaam on May 26, 2010, 10:33:24 am
That right there, confused the hell out of me  :-\
anyways, wats gone is gone! cant change now!
haha.. i agree..but its nice to know the answer in advance though!
haha..i cant wait for our paper to be one of the past papers next year. then i can look at the exam!
haha... :P
maybe it was straight A's...but i really cant remember though!  ;)
wat did you do for the methane ques?
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holtadit

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Re: Chemistry paper 1 help
« Reply #82 on: May 26, 2010, 10:40:40 am »
Quote from: SNA on May 26, 2010, 10:39:37 am
haha.. i agree..but its nice to know the answer in advance though!
haha..i cant wait for our paper to be one of the past papers next year. then i can look at the exam!
haha... :P
maybe it was straight A's...but i really cant remember though!  ;)
wat did you do for the methane ques?


It is NOT a liquid distillate
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Offline SNA

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Re: Chemistry paper 1 help
« Reply #83 on: May 26, 2010, 10:47:40 am »
Quote from: Ari Ben Canaan on May 26, 2010, 10:40:40 am

It is NOT a liquid distillate
its a gas rite?so the answer is A rite ;D
thank you soooooooo much!!!the question have been bothering me since yesterday!
thank you! ;D
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Offline Weaam

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Re: Chemistry paper 1 help
« Reply #84 on: May 26, 2010, 10:48:17 am »
Quote from: SNA on May 26, 2010, 10:39:37 am
haha.. i agree..but its nice to know the answer in advance though!
haha..i cant wait for our paper to be one of the past papers next year. then i can look at the exam!
haha... :P
maybe it was straight A's...but i really cant remember though!  ;)
wat did you do for the methane ques?
Yea, it would be cool to look at the exam, hahaha
For the methane one, i picked the one that said 'it is a liquid fraction of petroleum' or something like that..
Even though, only one seemed right to me, the last one, the rest were all wrong xP
or were they...

Hahaha
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- The man who smiles when things go wrong has thought of someone to blame it on. - Robert Bloch.
-I saw weird stuff in that place last night. Weird, strange, sick, twisted, eerie, godless, evil stuff... and I went in. - Homer
+ Rep me if i have been of any assistance to you ;D

Offline SNA

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Re: Chemistry paper 1 help
« Reply #85 on: May 26, 2010, 10:56:48 am »
Quote from: weaam on May 26, 2010, 10:48:17 am
Yea, it would be cool to look at the exam, hahaha
For the methane one, i picked the one that said 'it is a liquid fraction of petroleum' or something like that..
Even though, only one seemed right to me, the last one, the rest were all wrong xP
or were they...

Hahaha
haha... :D
i know methane and cows are rite!
:D
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Offline J.Darren

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Re: Chemistry paper 1 help
« Reply #86 on: May 27, 2010, 04:31:47 am »
Quote from: weaam on May 26, 2010, 10:25:45 am
How can it be the last one? :O
The last one had filteration TWICE.
I dont think that was it  :-\
We can eliminate "heating the crystals" at the very beginning as the crystal would then be removed of any water molecules, which is not what we wanted. This leaves us with D, and I must admit that the filtering twice bit is somewhat confusing.
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Offline Weaam

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Re: Chemistry paper 1 help
« Reply #87 on: May 27, 2010, 08:25:14 am »
Quote from: J.Darren on May 27, 2010, 04:31:47 am
We can eliminate "heating the crystals" at the very beginning as the crystal would then be removed of any water molecules, which is not what we wanted. This leaves us with D, and I must admit that the filtering twice bit is somewhat confusing.
Rightoues...
so, i got it wrong  :(
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- The man who smiles when things go wrong has thought of someone to blame it on. - Robert Bloch.
-I saw weird stuff in that place last night. Weird, strange, sick, twisted, eerie, godless, evil stuff... and I went in. - Homer
+ Rep me if i have been of any assistance to you ;D

Offline haris94

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Re: Chemistry paper 1 help
« Reply #88 on: May 27, 2010, 08:37:11 am »
Quote from: weaam on May 26, 2010, 10:27:18 am
and also did you get 5 As in the begining of the test, for qs 6,7,8,9,10?
I got all As for those! :P

i got 5 A's
but for questions 4,5,6,7,8
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Offline Weaam

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Re: Chemistry paper 1 help
« Reply #89 on: May 27, 2010, 10:08:10 am »
Quote from: haris94 on May 27, 2010, 08:37:11 am
i got 5 A's
but for questions 4,5,6,7,8

yeaa, thats what i mean!
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- The man who smiles when things go wrong has thought of someone to blame it on. - Robert Bloch.
-I saw weird stuff in that place last night. Weird, strange, sick, twisted, eerie, godless, evil stuff... and I went in. - Homer
+ Rep me if i have been of any assistance to you ;D
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