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  1. B333

    Chemistry Variant 32 Paper Discussion

    what did you guys write for the question about the rates of reactions why the order of experiments A,B,C and D was in the order you said it was?
  2. B333

    Chemistry Variant 32 Paper Discussion

    Yes it was electrolysis
  3. B333

    Done with Chemistry Paper 3

    Oh yeah, sorry what did you write?
  4. B333

    Done with Chemistry Paper 3

    What did you guys write for the question why all alkenes have the same general formula?
  5. B333

    Done with Chemistry Paper 3

    the aluminium one is correct but i don't know about the plastic thing
  6. B333

    Done with Chemistry Paper 3

    IGSCE.Geek. I don't know i wrote that it was a poor conductor of heat and that it is light what did you guys write about the properties of plastic that enables it to be used in electrical cables?
  7. B333

    Chemistry Variant 32 Paper Discussion

    What about the question with the advantages of biogas other than economic use?
  8. B333

    Chemistry Variant 32 Paper Discussion

    I thought the catalyst was amylase for the hydrolysis of starch :( how is it hydrochloric acid?
  9. B333

    Chemistry Variant 32 Paper Discussion

    oh well, one mark already lost um.. what did you write for the yeast question. Why was it used and why did its amount increase?
  10. B333

    Chemistry Variant 32 Paper Discussion

    it was only out of two marks, right?
  11. B333

    Chemistry Variant 32 Paper Discussion

    what about the one about why plastic was used for insulating electrical cables?
  12. B333

    Chemistry Variant 32 Paper Discussion

    I wrote light and malleable. Is that correct? :(
  13. B333

    Chemistry Variant 32 Paper Discussion

    What did you write for the reasons why aluminium is used in the making of aircrafts?
  14. B333

    Done with Chemistry Paper 3

    What did you guys write for the advantages of using biogas other than the economical value?
  15. B333

    Done with Chemistry Paper 3

    yeah that's exactly what i did ;)
  16. B333

    Done with Chemistry Paper 3

    I wrote ethene as well but i wrote the formula C2H4. Is it okay?
  17. B333

    Chemistry Variant 2

    It's this essay thing offered by AQA and Edexcel where you do a research on whatever you want you can check http://www.edexcel.com/quals/project/Pages/default.aspx for more information you can do it at AS level if you want or A2 but it is only for a year and you could get an A*. Sorry I can't...
  18. B333

    Chemistry paper 31.. WOW and I thought physics was hard :( HORRIBLE PAPER

    I agree with kboss it was easier than the rest of the other science paper 3s
  19. B333

    Chemistry Variant 2

    Yeah it was relatively easy God i can't wait to discuss answers though you have to wait till tomorrow hey are you doing the extended project qualification next year?
  20. B333

    HOW WAS PHYSICS PAPER 5 PPL ? HOW WAS YOUR EXAM ?

    Oh wait I'm so sorry i thought this was for IGCSE Phyisics paper 5 :)
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