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  1. Saad Mughal

    Chemistry P1 and P2 today

    Heat spreads evenly through a body (courtesy equal movements of electrons). I could be wrong, I could be right.
  2. Saad Mughal

    Chemistry P1 and P2 today

    I'm not an examiner you know.
  3. Saad Mughal

    Chemistry P1 and P2 today

    I chose one direction.
  4. Saad Mughal

    Chemistry P1 and P2 today

    Values.
  5. Saad Mughal

    Maths, Addmaths and Statistics: Post your doubts here!

    Area of shaded region = 72/360 (pi) (R)^2 - (pi)(r)^2 Area of small circle = (pi)(r)^2 They are equal so, 72/360 (pi) (R)^2 - (pi)(r)^2 = (pi)(r)^2 72/360 (pi) (R)^2 = 2 (pi)(r)^2 Simplifying, R^2/r^2 = 360*2/72 R^2/r^2 = 10/1 Therefore, R^2 : r^2 = 10 : 1 Hope that helps! :)
  6. Saad Mughal

    Chemistry P1 and P2 today

    Well, I didn't study the solubility of gases, but I knew which ones were insoluble. Although, I didn't even take in account the solubility of the gases in the MCQ!
  7. Saad Mughal

    Biology; Chemistry; Physics: Post your doubts here!

    These are good, http://newurlsothatthedumbpeopledontgetfreenotes.files.wordpress.com/2012/03/physics-igcse.pdf
  8. Saad Mughal

    Chemistry P1 and P2 today

    Aww. Daadi. :(
  9. Saad Mughal

    Maths, Addmaths and Statistics: Post your doubts here!

    I know the name. -_-
  10. Saad Mughal

    O'level Maths.. help needed !

    But don't get relaxed just yet, if your school/institute is off in June then try to solve the classified in June.
  11. Saad Mughal

    Chemistry P1 and P2 today

    I'm sorry but I can't find any reason why you're method is wrong; are you sure that you're applying it correctly? Are you sure that the mass of the tablet was 0.5 g?
  12. Saad Mughal

    Chemistry P1 and P2 today

    Everyone did it the same way. :p
  13. Saad Mughal

    Chemistry P1 and P2 today

    Nitrogen, Oxygen and Hydrogen all three are insoluble. You had to look for the option in which the other two gases would be separated which was A - Hydrogen, Carbon Dioxide and Nitrogen. Hydrogen reacted with the copper (II) sulphate, Carbon Dioxide was absorbed by the NaOH and only Nitrogen...
  14. Saad Mughal

    O'level Maths.. help needed !

    Yes it will be enough, just go through the syllabus and practice the entire Classified book (which you should be able to do in 1-1.5 months) and you'll have good enough preparation for the paper. Pay extra attention to Graphs and Geometry (Especially Circle theorems) and you should have...
  15. Saad Mughal

    Maths, Addmaths and Statistics: Post your doubts here!

    To complete the division or simplify it until it no longer divides.
  16. Saad Mughal

    Maths, Addmaths and Statistics: Post your doubts here!

    The first method's wrong. Why you do division like this? :p
  17. Saad Mughal

    Biology; Chemistry; Physics: Post your doubts here!

    Insha ALLAH, ALLAH (SWT) aapki zubaan mubarak karyn! :)
  18. Saad Mughal

    Biology; Chemistry; Physics: Post your doubts here!

    Various clouds get together forming a big blob with a lot of gravitational potential energy, these large blobs of cloud pull towards them other particles and clouds as well (due to gravity), at some time, the potential energy changes into heat energy and fusion occurs where hydrogen atoms...
  19. Saad Mughal

    Chemistry P1 and P2 today

    Well, hoping for A*'s in these CIE's. INSHA ALLAH. Thanks for the complement. :) Yeah, two things; - No aluminium was mentioned. - They asked the TWO ions that were present in the compound. Gave off the answer to be Ammonium ion and Metavanadate ion.
  20. Saad Mughal

    Chemistry P1 and P2 today

    That's not the case either, even an ordinary house-hold scanner can scan the images quite clearly. They use much better scanners.
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