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  1. wooowooowoo

    Solving Chemistry Doubts Now :)

    Draw the structure of Diamond but replace carbon with Germanium. Each carbon is bonded to 4 other carbon in a tetrahedral shape to form diamond. In this structure, each germanium will be bonded to 4 other germanium. Check ms and let me know the correct ans
  2. wooowooowoo

    Physics paper6 discussion

    Exactly, who are we to decide what's wrong and right. This will just make it worse for people to concentrate on their next exam. How was your paper 3 ?
  3. wooowooowoo

    Physics paper6 discussion

    Line of best fit and (or) smooth line. Both will be marked, it's not big of a fuss guys. Most of the MS said best-fit and there were merely any with smooth curve (even though I always wondered why they wanted best-fit instead of smooth curve), both will be marked. Each and every MS has an...
  4. wooowooowoo

    GFX Desginers [Signature/Image creators]

    The height is a pain, isn't it? Do you want to sign a petition to the mods to make it at least 100?
  5. wooowooowoo

    IGCSE Chemistry Revision Guide | According to syllabus

    Pardon ? Refractive index twice? Really? When was that ?
  6. wooowooowoo

    IGCSE Chemistry Revision Guide | According to syllabus

    Oops yeah I should have specified (Yes I was talking about Variant 2) Well Oxides of Nitrogen are formed when oxygen reacts with Nitrogen. Engines in the cars are very hot and they give nitrogen and oxygen (present in the air) and opportunity to get to know each other better (react), they...
  7. wooowooowoo

    IGCSE Chemistry Revision Guide | According to syllabus

    Yes, I finished on time (well 15 minutes before time) As far as I know, they first calculate the percentage out of 160 and then convert it to 200. Last year it was 150/200 which is around 120/160 (so a mistake of 40 marks in all paper combined would still give you an A*, I guess? Anyone with...
  8. wooowooowoo

    Love

    Nope, didn't mean it as an insult.
  9. wooowooowoo

    Love

  10. wooowooowoo

    Physics Paper 6 | Best fit line

    I'm scared it's wrong. :/ http://www.cambridgestudents.org.uk/subjectpages/physics/igscephysics Examiner tips Even a model answer given by cambridge has a best-fit graph drawn onto it...
  11. wooowooowoo

    Physics Paper 6 | Best fit line

    Nobody?
  12. wooowooowoo

    Physics Paper 6 | Best fit line

    Is it necessary to draw a line of best-fit in Physics graph ? I've seen several papers in which the marking scheme says 'best fit'. I've never encountered any paper which allows 'curved graphs' Even my textbook does not say much about it. Will we get marks cut if we joined up all the points and...
  13. wooowooowoo

    Knowledge is not important, critical thinking is. You need to know how to apply the knowledge...

    Knowledge is not important, critical thinking is. You need to know how to apply the knowledge you have. Try solving some pastpapers
  14. wooowooowoo

    Chemistry Doubts: IGCSE Paper 3

    Finally understood the last part (I had to use a notebook :/) Alright so use this C1V1 = C2V2 C= Concetration; V = Volume C1 = C2V2/V1 C2 = 1 V2 = 20/1000 V1 = 15/1000 C1 = 0.02 * 1 / 0.015 = 1.333
  15. wooowooowoo

    Chemistry Doubts: IGCSE Paper 3

    W10 QP 31 Moles of HCL = 40/1000 (convert cm^3 to dm^3) 0.04 * 2 as it says 2 Mol/dm^3, so 2 * 0.04 = 0.08 moles Moles of CoCl2 = 0.08 / 2 = 0.04 [The ratio between HCl and CoCl2] Number of moles of CoCl 2.6H2O formed = 0.04 [Same as above ^] Maximum yield = 0.04 * 238 = 9.52 HCl = 0.08...
  16. wooowooowoo

    Solving Chemistry Doubts Now :)

    Finally someone posting about ending of IG! Yes, unofficial end! Are you writing your P1's after 2 weeks too?
  17. wooowooowoo

    IGCSE Chemistry Revision Guide | According to syllabus

    Exactly, I was so bored.. I ended up calculating the marks. 30 marks loss in p3 5 marks loss in p1 5 marks loss in p6 Will end up as an A* (i hope it's not wrong)
  18. wooowooowoo

    Except the organic chemistry part - 2% of oraganic chemistry is missing. Just check the syllabus...

    Except the organic chemistry part - 2% of oraganic chemistry is missing. Just check the syllabus when you are learning from it.
  19. wooowooowoo

    Physics p6 last question

    Variant 2 or 1? For Variant 2 it was 1.4 (aprox)
  20. wooowooowoo

    Chemistry Doubts: IGCSE Paper 3

    No, I don't think it's required but there is no harm in mentioning it. Mettallic bonding mainly talks about the strong attraction between positive ions and sea of electrons. (i've never seen any question which goes much in detail about it - if you encountered any, please post it here)
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