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  1. Scafalon40

    The more disturbing gas

    Which gas do you think has the most disturbing smell? Ammonia or Hydrogen Sulphide
  2. Scafalon40

    solution question

    actually it's quite original. See nowadays me and a friend are doing P3 past papers in our college's chemistry lab i like to prepare most of the chemicals myself (don't really trust the lab attendants to get them right!) except for dangerous and corrosive reagents like NaOH etc the other day i...
  3. Scafalon40

    solution question

    How do you know this? Any references? Thanks anyway, though.
  4. Scafalon40

    solution question

    So is that a yes?
  5. Scafalon40

    solution question

    if you mix manganese sulphate and zinc nitrate in a solution, will you get the same ions in solution if, instead, you use manganese nitrate and zinc sulphate?
  6. Scafalon40

    collecting gases technique

    Thanks, Funny thing is that a guy whose username is technically a gas, replied to my post:)
  7. Scafalon40

    collecting gases technique

    lets just say that in a paper 3 exam we carry out a test on an aqueous solution of ions(salt analysis) the question paper asks us to write down any observations how will we know if a gas is produced or not? i mean if its something like CO2 being produced, ill notice the fizzing; but what about...
  8. Scafalon40

    Calculators permitted to use in exams?

    Yeah that too:)
  9. Scafalon40

    Calculators permitted to use in exams?

    you can use fx 991 ES in your exams i am a bit of a calculator freak and know a thing or two about this stuff i used the fx 991 ES in my exams i also have this one, but it is not allowed:http://www.casio.com/products/Calculators_&_Dictionaries/Graphing/FX-9860GII/ you can use any type of...
  10. Scafalon40

    online resource

    Is there an online resource for chemistry paper 3 practicals?
  11. Scafalon40

    old pastpapers

    Where can i find chemistry pastpapers before the year 2001
  12. Scafalon40

    8701 chemistry

    Alright
  13. Scafalon40

    8701 chemistry

    There was one, before 2002. Anyway i was just talking about its pastpapers 9701 chemistry is the new version of, the now discontinued 8701 chemistry. How does that answer my question in any way whatsoever?o_O
  14. Scafalon40

    8701 chemistry

    Thanks, that was helpful.
  15. Scafalon40

    8701 chemistry

    the older pastpapers of 8701 chemistry eg the w 2001 papers are they relevent? should i do them? or leave em?
  16. Scafalon40

    calculation of the grade A*

    but what happens if i get an A at 95% in AS but get 89% in A2? will i still get an A*?
  17. Scafalon40

    calculation of the grade A*

    so in short i have no way of finding out if i have to improve in my AS result ie i wont know that i got an A at 80% until its too late
  18. Scafalon40

    calculation of the grade A*

    lets just suppose somebody got an A at 80% in his AS if he go something like 90% in his A2 exams, will he get an overall A* grade? i want to know ho this is calculated i.e how both the exam marks are added up and how will you know if you got an A at 80% or 90% in AS any thing above 80% is an A...
  19. Scafalon40

    how do i download selective past papers

    lets say I only want to download some selected physics papers but that would waste too much time is there some quicker method technical question, sorry am not good at this stuff
  20. Scafalon40

    Focusing on basis of difficulty...?!

    Well, for one, jogging and sports is actually beneficial to your study routine: so don't stop that! Physical exertion releases endorphins from your brain which elevate your mood and actually help you gain confidence and also help you study( this is because their chemical structure resembles...
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