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  1. A

    Chem ppr 33 salt help?

    Does anyone have the solutions for question 1 November 09 paper 33 and 34? I'd be grateful if you could upload them or PM me. (:
  2. A

    Chemistry p33

    Question 1 please! Thanks!
  3. A

    Bio p33 dicussion..

    What about the percentage decrease question? I got 12.2 but some people got 13.8 or something. :x
  4. A

    Chem P33 question.

    Um, I didn't understand it very well but this is what my teacher told me: 1. Make a saturated solution of known concentration and volume and stuff. 2. Weigh it. 3. Evaporate it, 'til there's no more solution left. 4. Weigh the residue and then use this formula: mass of solid/(mass of soln -...
  5. A

    Chemistry p33

    Has anybody done the experiments in November 2009 paper 33 and 34? If yes, could you please upload all the calculations and stuff you did? I'd really appreciate it! (:
  6. A

    Chemistry p33

    My chemistry teacher said it's gonna be hydrated copper sulfate. We need to find out the number of molecules of water of crystallisation present.
  7. A

    final final details abt practicals!

    I'd be grateful for any info on bio p33 and chem p33. PM me! (:
  8. A

    AS/A2 Chemistry.

    It has 554 pages, and covers the whole of the Applications section.
  9. A

    AS/A2 Chemistry.

    Yeah, I ended up buying it. But I couldn't get it from Fsd or Lahore. D: So I had it ordered from England. And yeah, it's good. Especially for organic chemistry. (:
  10. A

    AS/A2 Chemistry.

    I don't think it's late at all. There's still around 2 months to go, you can do a lot in that time.
  11. A

    AS/A2 Chemistry.

    Just in case anyone doesn't know, CIE has recently (January 2011) published a new book for A Level Chemistry. The book also includes the Applications section. It's meant to be way better than their last book. Here's a link, if anyone wants to check it out...
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