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  1. D

    Chemistry: Post your doubts here!

    Ans is B. And no it is not the same thing. Cis trans isomerism is due to "restricted rotation" of Pi bond over Sigma bond, that is the reason they are cis trans "isomers". The only difference in B and D is that B is trans and D is cis. We need to identify the "trans" so that is B. (Both B and D...
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    Chemistry: Post your doubts here!

    Both of these please. Thanks : )
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    CHEMISTRY PAPER 34 On 31st MAY

    in the first table, The last column had "no visible reaction" all along. And then effervescence with Na2CO3?
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    CHEMISTRY PAPER 34 On 31st MAY

    What about ammonium? There was no ppt. with NaOH :p
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    CHEMISTRY PAPER 34 On 31st MAY

    Yes it went terrible, after all the great papers.. my total now on the border of A* and A, around 190/260 (considering a 30 in p1) :( i hope i ace p1 now.. but i find it hard to go above 32-33 in it. And yes no titration!
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    CHEMISTRY PAPER 34 On 31st MAY

    I wrote Iodide and Ammonium :( was one of the observations in there "solution turns red"? what happened for me was that the solution turned red.. like blood red. And then after 20 minutes it had a brown touch. But i thought not to write that. how much marks were for each observation table? in...
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    CHEMISTRY PAPER 34 On 31st MAY

    That qualitative analysis Q. In that paper is very easy. I hope that gt is low for this paper or p2. I'll be safe if p2 gt is like 45 or this one like 21-22 :/ scary situation i got myself in :(
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    CHEMISTRY PAPER 34 On 31st MAY

    Hmmm similar to me.. I am expecting around 24 but counting 20 cuz my calculations always a bit high :p Are you giving composite or only AS? How were your other papers?
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    A level Biology: Post your doubts here!

    Hmmm interesting. I solved it by elimination, giving me last 2 options as closest possible. Maybe someone else can help here.. But as far as i know, water does not form H-bonds with non polar molecules...
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    A level Biology: Post your doubts here!

    Is 36,D and 22 , D.. or are the circled answers correct?
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    CHEMISTRY PAPER 34 On 31st MAY

    mine was sooo bad. can I expect A with these marks?.: p2 52/60 p3 20/40 (15/30) p1 30-32/40 please tell if you know about gts.
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    CHEMISTRY PAPER 34 On 31st MAY

    how did it go though? :p
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    CHEMISTRY PAPER 34 On 31st MAY

    Thats a lot of marks! around 10 i think. Not sure. But if we don't get ecf for our mistakes, i am expecting really bad marks : / also the graph i messed up :/ i drew a straight line and curve for the 2nd part.(correct according to ms of O/N16/36 though) so my temp change was like 1.5*C... losing...
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    CHEMISTRY PAPER 34 On 31st MAY

    But it was used in so many parts :/ 1 mark in every part? :cry: Will i be able to get an A if this went like of 18-20/40 or even worse. But p2 52/60 and p1 30/40 h2so4 one part was i think 1 mark. yes... about temp change..
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    CHEMISTRY PAPER 34 On 31st MAY

    I used mass of magnesium instead of the acid in Q1 :( will i lose everything?:(:(:(:cry::cry:
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    CHEMISTRY PAPER 34 On 31st MAY

    Gt expected around 23/40 for sure. As this was even tougher than p36 of w16 which had 23 gt.
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    CHEMISTRY PAPER 34 On 31st MAY

    The paper went insanely bad for me : / After every paper going good, Practical was messed up man :/
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    CHEMISTRY PAPER 34 On 31st MAY

    Just looked at the pics above, couple hours before exam. Totally possible. Good luck guys!
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    CHEMISTRY PAPER 34 On 31st MAY

    Lets say my stop watch says 22.35 seconds, I write 22.. (times must be in whole numbers, according to ms of the paper you linked.) my readings then are 22,22,21.. mean 21.66.. should i write 22 of 21.7?
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    CHEMISTRY PAPER 34 On 31st MAY

    Oh forgot to ask.. The readings should be in whole numbers but should the mean also be in whole numbers?
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