IGCSE/GCSE/O & A Level/IB/University Student Forum
Qualification => Subject Doubts => GCE AS & A2 Level => Sciences => Topic started by: abdullahnisar2005 on May 19, 2010, 07:00:12 pm
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Any news about as chemistry practical paper 33?
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Any news about as chemistry practical paper 33?
Do not share any exam information. AT ALL.
Disclosure of exam content will result in permanent ban.
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@mod: cool man...chillax... ;)
har waqt warning dena ka kya faida?? :D:D
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Ok has this whole forum actually become a Pakistani forum??? All Mods r Pakistani??
ANTT YAAR!!!!
Shouldn't have stayed away from the forum for the whole year huh??
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how do u differentiate between aluminum and lead ions???
how do u differentiate between ketones and aldehydes???
how do u differentiate between the halogens???
how do u differentiate between sulfates and sulfites???
How do u test for carboxylic acids...
how do u test for alkanes and alkenes?
thanks in advance :D
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how do u differentiate between aluminum and lead ions???
how do u differentiate between ketones and aldehydes???
how do u differentiate between the halogens???
how do u differentiate between sulfates and sulfites???
How do u test for carboxylic acids...
how do u test for alkanes and alkenes?
here is the answer
1.by using chromate it gives ppt with lead and clear solution with aluminum
2.tollens and 2,4-dinitoro..........
3.don't know ???
4.written in the last paper of the exam
5.don't know ???
6.don't know ???
that's all wat i know i wish i have helped and if u have ask me i me and i will to best to answer
oh ur welcome :) :) :) :)
goooooooooooooooooooooooooooooooooooodddddddddddddddddddddddddddddd luuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuccccccccccccccck 2 all of us ;) ;) ;)
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how do u differentiate between aluminum and lead ions???
how do u differentiate between ketones and aldehydes???
how do u differentiate between the halogens???
how do u differentiate between sulfates and sulfites???
How do u test for carboxylic acids...
how do u test for alkanes and alkenes?
thanks in advance :D
for carboxylic acids .. add metal carbonate and CO2 wil be produced// test with lime water//
for the last one.. add bromine water... the alkane will stay a brown solution bt the alkenes will change to a colourless..bcoz of the double bond!! ..
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Thanks to every1 who replied...
I'm "going in" after a few hrs....
lets see how the paper goes :S :D
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@mista haha lage raho... apni zabaan me baate karu inku samaj hi nhi ayegi. lol
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I did mine!
I am not intending to discuss but are personal messages allowed between who are done with the exam?
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@mista haha lage raho... apni zabaan me baate karu inku samaj hi nhi ayegi. lol
Anise bolneka kya matlab jab Moderatoers ko bhe vo samaj aata ho..? 8)
Do not share any exam information. AT ALL.
Disclosure of exam content will result in permanent ban.
;)
Discuss about it after 24 hours.. :)
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heard abt chem p33. was easy but lengthy..............
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the graph was weird...
but identifying the cations was easy..
finding the enthalpy change many guyz got different values...
so overall i think the paper was a litlle bit hard...
SO HOW DID U GUYZ DO
??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ???
??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ???
??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ???
??? ??? ??? ??? ??? ??? ??? ??? ??
??? ??? ??? ??? ??? ???
??? ??? ???
??? ???
???
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the graph was weird...
but identifying the cations was easy..
finding the enthalpy change many guyz got different values...
so overall i think the paper was a litlle bit hard...
SO HOW DID U GUYZ DO
??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ???
??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ???
??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ???
??? ??? ??? ??? ??? ??? ??? ??? ??
??? ??? ??? ??? ??? ???
??? ??? ???
??? ???
???
u must be out of ur mind. it was not little bit hard, it was veryyyyyyyyyyyyyyyy hard and plus i didnt get time to do all the first questions. i m really sad :'( :'( :'( :'( :'(
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ooooh paper 32 is the worseee, i studied really hard for titration and it didnt come the titration thing... and suddenly the people from cambridge POP out of nowhere.. :-[
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ohh! :D :D found it funny..
people from CIE came in your school!..you were cheating..? planned to?
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ohh! :D :D found it funny..
people from CIE came in your school!..you were cheating..? planned to?
WHAT? sorry didnt get that ???
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no its not that we gonna cheat but it makes me anxious with the lady who came there.. and i wrote wrong thing.. i took the chem 33, and its suckss.. argh!
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ooooh paper 32 is the worseee, i studied really hard for titration and it didnt come the titration thing... and suddenly the people from cambridge POP out of nowhere.. :-[
that was bad. hope the threshold goes really low
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heard abt chem p33. was easy but lengthy..............
ketone u must be out of ur mind. it was easy??? it was really hard. all night i was praying that titration doesnt comes (its hard for me) but after seeing the p33 i badly needed the titrations questions.
why the cie people have to make the paper very hard? >:(
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yeaah i hope soo, how's urs? good? :)
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@nobody kher hai yar bachu ku parhne du... thori cheat tu chalti hai lol ;)
Kidin
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@nobody kher hai yar bachu ku parhne du... thori cheat tu chalti hai lol ;)
Kidin
Yaha pe cheating NAHI CALTI! paper kal disscuss karna...okay! ;)
WHAT? sorry didnt get that ???
i was laughing at this, specially "cambridge POP out of nowhere.."
ooooh paper 32 is the worseee, i studied really hard for titration and it didnt come the titration thing... and suddenly the people from cambridge POP out of nowhere.. :-[
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Acha ge... jesa aap kahe...
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Yaha pe cheating NAHI CALTI! paper kal disscuss karna...okay! ;)
i was laughing at this, specially "cambridge POP out of nowhere.."
well that is funny ;D
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yaa they really pop out of nowhere and enter the exam room like whaaat.. no one go to your school? ;D
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okay this is really happening, im not kidding... today's exam really mess up..
imma tell you what happen today in the exam room..
there's this lady from CIE pop out of nowhere enter the exam room.. all my friends and i became more nervous like crazy.. crazier than the time when i entered the exam room, where i see no biurett for titration.. then one of my classmate broke 2 pipette.. my teacher is like getting crazy because when we ask to weighing powder, a guy put the powder in the weighing scale without putting it on the boiling tube that was provided.. and there's this girl who get burn when heating the boiling tube.. really it's such a mess today... one girl also shouting to the teacher "sir, how to calculate the heat energy??" when the exam paper already taken by the invigilator but the problem is the lady from CIE still in the exam room like wrote things.. so all immediatly doing like "SHHTTT.." and the assistant is like pointing her finger to the lady.. so, today exam is really like EPIC FAIL.
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okay this is really happening, im not kidding... today's exam really mess up..
imma tell you what happen today in the exam room..
there's this lady from CIE pop out of nowhere enter the exam room.. all my friends and i became more nervous like crazy.. crazier than the time when i entered the exam room, where i see no biurett for titration.. then one of my classmate broke 2 pipette.. my teacher is like getting crazy because when we ask to weighing powder, a guy put the powder in the weighing scale without putting it on the boiling tube that was provided.. and there's this girl who get burn when heating the boiling tube.. really it's such a mess today... one girl also shouting to the teacher "sir, how to calculate the heat energy??" when the exam paper already taken by the invigilator but the problem is the lady from CIE still in the exam room like wrote things.. so all immediatly doing like "SHHTTT.." and the assistant is like pointing her finger to the lady.. so, today exam is really like EPIC FAIL.
lol it must be fun... :D
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This is serious. It will definetely affect your grade.
Write a letter to CIE and tell them the incident.
okay this is really happening, im not kidding... today's exam really mess up..
imma tell you what happen today in the exam room..
there's this lady from CIE pop out of nowhere enter the exam room.. all my friends and i became more nervous like crazy.. crazier than the time when i entered the exam room, where i see no biurett for titration.. then one of my classmate broke 2 pipette.. my teacher is like getting crazy because when we ask to weighing powder, a guy put the powder in the weighing scale without putting it on the boiling tube that was provided.. and there's this girl who get burn when heating the boiling tube.. really it's such a mess today... one girl also shouting to the teacher "sir, how to calculate the heat energy??" when the exam paper already taken by the invigilator but the problem is the lady from CIE still in the exam room like wrote things.. so all immediatly doing like "SHHTTT.." and the assistant is like pointing her finger to the lady.. so, today exam is really like EPIC FAIL.
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i was nervous without anything...thank god nobody came to us!
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This is serious. It will definetely affect your grade.
Write a letter to CIE and tell them the incident.
why need to tell CIE? oh the one who get burn have no serious injury.. its just like a little swolen and red..
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paper was tooooooooo easyyyyyyyyyyy. just finishd it in the last minute when i heard "PLEASE STOP WRITING". hahahahahahahaha. these people r wierd, closed all the fans. v were dying due to HEAT...
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Are you serious, man?!!?
You finished on time and you call that easy!
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ooooh paper 32 is the worseee, i studied really hard for titration and it didnt come the titration thing... and suddenly the people from cambridge POP out of nowhere.. :-[
ugh dats horrible the teachers cant evn help u if teh externals r in the room
which center r u in ????
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paper was tooooooooo easyyyyyyyyyyy. just finishd it in the last minute when i heard "PLEASE STOP WRITING". hahahahahahahaha. these people r wierd, closed all the fans. v were dying due to HEAT...
wow wow wow, you must be really greaat ! omo seriously, its not easy.
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paper was tooooooooo easyyyyyyyyyyy. just finishd it in the last minute when i heard "PLEASE STOP WRITING". hahahahahahahaha. these people r wierd, closed all the fans. v were dying due to HEAT...
haha i know right.. doors were closed and fans were off..almost died due to heat :P
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we h de prctcl in our own skool..n or tchr wsnt even dere..:(
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i was nervous without anything...thank god nobody came to us!
I don't remember coming there.. ::) ::) :P
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it was not easy at all
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Paper was easy. I finished with 20 minutes to spar. The trick was not to waste any time at all. I read the question and prepared the table as I went along and skipped the calculation part of the first question and did the salt analysis first.
It's not as disastrous as the Biology practical, curse that damned Visking tubing leaking in the middle of the experiment :(
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Can I know what did you guys get for the enthalpy change of solution?
And how did your table look like?
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BEWARE GUYS! phy p34 will be a dangerous one!
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i warned u people before: phy p34 would be difficult: and thats what happened.