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Recent content by Ahsan Ausaf Ali

  1. A

    Chemistry MCQ thread...

    done with engineering obviously, A Levels was great though, and this forum used to be a life saver, i remember just 30 miinutes after each paper, we all used to be here discussing Lol.... what a feeling !
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    Chemistry MCQ thread...

    Been a long time since I left tho forum but I see A Levels is still all the same, nostalgia !
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    Ahsan Ausaf Ali

    Ahsan Ausaf Ali
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    How was physics paper 33

    i had 7.2 for cup and 12.6 for bowl but this is for water surface.........
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    How was physics paper 33

    i added 100 gram mass to larger thread................me initial height was o.601 metres ....then i added 150 grams as they said to short thread which was on side of the two springs in series.my height fell to o.507m.....the diff.. o.o94m...........all was going well for second reading was like...
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    How was physics paper 33

    hey how many marks will get cut for the folowing: not half of y axis used for graph no quality mark due to large scatter 3 points are according to trend..but 2 points are not with trend ( eg the second value supposed to be smaller then first value but it is actuay bigger........ how many marks...
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    How was physics paper 33

    My gradient was also negative....and y intercept was positive o.6205....i set up the apparatus correctly and perhaps i think the practical required a lot of precision to get accurate results because my 1 reading was anamolous...other 4 showed a decreasing trend but it had a lot of scatter and...
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    Mechanics 42

    What can I expect..pease give an honest and humble reply!!!!!!!!! Math P1 : 70/75 ( assume GT is A=57, B=50) Math M1: 42/50 ( assume GT is 36, B=32) Will my AS percentage uniform marks cross 92/93 %??????????
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    paper 12 chemistry ...

    As far as chemistry is concerned ALKAnes arent oxidised by acidified dichromate, infact they are inert compounds and dont even get oxidised other then combustion and free radical substitutions.......u were confused...actually alkenes are converted to alcohols, this also by reaction with steam at...
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    paper 12 chemistry ...

    i think the gt wil be like A=31-33......B=28-29.....as deviation will be low....even weaker candidates will easily make it near 25 thankfully due to the like 10 repeated mcqs........nd the sodium/sulphur one which u could simply see from data booklet.
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    paper 12 chemistry ...

    Now i just remember everything: 1> it didnt react with acidified manganate ions 2>it liberated hydrogen gas on reaction with sodium 3>the oxidation product has no reaction with 2-4DNPH 4>it did not react in presence of H+ catalyst with ethanol. Carboxylic acid is canceled by "4" Keytone is...
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    HOW WAS CHEM P12 2012 ? WHAT ABOUT GT OF THIS PAPER?

    i'm afraid it wasnt B.....i think it was A...... because a bronsted lowry base can have 2 definitions: a proton acceptor a lone pair electron donor When NH3 reacts with Ag+ ions it forms a ligand in which it actually donates its lone pairs of electons...so infact it is behaving as a base. for...
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