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Edexcel IAL Chemistry (WCH06/01) Chemistry Laboratory Skills II - 10th May 2016 watch

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    for the test of iodine question is it right to say add chlorine water and it turns brown?
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    Let's hope the grade boundaries are low

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    Don't discuss questions please u will get this website in trouble

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    (Original post by omaraljohari)
    for the test of iodine question is it right to say add chlorine water and it turns brown?
    Do u think the paper was tough?

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    Last question was messed up. BTW the anion was HCO3- right??
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    (Original post by wenogk)
    Last question was messed up. BTW the anion was HCO3- right??
    yup
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    Yep I fudged up that one

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    (Original post by Saad69)
    Do u think the paper was tough?

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    it was quite tough
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    How do u think u did?

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    whooo got the percentage error value as 41.smthn ??
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    do you think the grade boundaries will be lower than last year, similar or higher?
    (its 31/50 for an A june 2015)
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    (Original post by pondsteps)
    whooo got the percentage error value as 41.smthn ??
    Yep. You got the correct answer.
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    (Original post by manisha98)
    do you think the grade boundaries will be lower than last year, similar or higher?
    (its 31/50 for an A june 2015)
    Of course it should be lower........ last year was easy
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    (Original post by CPSohan)
    Of course it should be lower........ last year was easy

    Ok thank god because the last question on that paper and some other stuff were just messed up
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    (Original post by CPSohan)
    Yep. You got the correct answer.
    I mean , I got the same answer, and I am sure I didn't do any mistake there.
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    (Original post by manisha98)
    Ok thank god because the last question on that paper and some other stuff were just messed up
    Yeah...... what did you change on the "heating under reflux" apparatus to make it a "distillation" apparatus ?
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    guysssss, did u base ur last q on the value of percentage error u found.. what did u guys write?? bcz i saw percenatge error q last min and my answer in the last q wasnt based on it
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    (Original post by CPSohan)
    Yeah...... what did you change on the "heating under reflux" apparatus to make it a "distillation" apparatus ?
    delivery tube
    recieving beaker
    rubber bung
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    (Original post by pondsteps)
    guysssss, did u base ur last q on the value of percentage error u found.. what did u guys write?? bcz i saw percenatge error q last min and my answer in the last q wasnt based on it
    you just have to say if that error would make a significant change
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    (Original post by CPSohan)
    Yeah...... what did you change on the "heating under reflux" apparatus to make it a "distillation" apparatus ?
    i put thermometer and flask
    and i didnt know the third so i put smthn to connect between flask and condenser lol
 
 
 
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