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  1. R

    Physics Practical NOTES!!! :)

    Thankyou! Will help in practical tomorrow :)
  2. R

    Mechanics 42

    Join this chat and discuss: http://xat.com/MathMechanic42
  3. R

    Mechanics 42

    Yup winter11 had 33 threshold for A. This one I think would be around 35-37.
  4. R

    Hey how was your shape in the velocity time graph in the last question?

    Hey how was your shape in the velocity time graph in the last question?
  5. R

    Paper 12 maths

    a =5 is correct. Im Sure
  6. R

    Paper 12 maths

    And that is correct too :) A(4,6) B(2,2)
  7. R

    How was Math P1??????

    Binomial one was a= 5
  8. R

    Tell me what was question 4 I don't remember question number

    Tell me what was question 4 I don't remember question number
  9. R

    maths exam!!!!

    I attempted all the questions. Alhamdullilah didn't find any question difficult and finished my paper 15 mins early.
  10. R

    Read the posts from bottom to top. Separated it because of word limit.

    Read the posts from bottom to top. Separated it because of word limit.
  11. R

    In part iii you again consider the mole ratio of Cu(2+) ions and I2 (not I- ions) which is 2 Cu...

    In part iii you again consider the mole ratio of Cu(2+) ions and I2 (not I- ions) which is 2 Cu ions to 1 I2. So u multiply the ans of c(ii) by 2 IN part iv you use n = cv So u just calculated n (moles) in the previous part. and v (volume) is 25 cm3 or 0.025 dm3. Use these to calculate c...
  12. R

    So in part ii it asks "how many moles of I2 reacted with the Na2S2O3 run from the burette." So...

    So in part ii it asks "how many moles of I2 reacted with the Na2S2O3 run from the burette." So u see The mole ratio of Na2So3(2-) ions and Iodine (I2) are in 2:1 So the moles u calculated in part i you just divide it by 2 according to the ratio.
  13. R

    For your first paper 9701_s09_qp_31 In part c(i) you would have calculated moles of Sodium...

    For your first paper 9701_s09_qp_31 In part c(i) you would have calculated moles of Sodium Thiosulphate (Na2S2O3). The 2 equations in part ii are ionic equations meaning only the ions that reacted are given. For this you just combine the 2 equations. Reactants together and products together...
  14. R

    Chemistry: Post your doubts here!

    Oh I don't know its opening fine here but I have attached it with this post also. Try now.
  15. R

    hey do you know??

    Apart from A Level, Intermediate from Sindh Board or Aga Khan Board. I would prefer Sindh Board.
  16. R

    Chemistry: Post your doubts here!

    I don't know about 29's reason but I know that Alkene obtained from dehydration of but-2-nol will have 3 isomers so 3 alkenes. So B For 30, Please view the picture in full size otherwise you'll find it too small: http://img685.imageshack.us/img685/8421/001jwvf.jpg Remember there is no need...
  17. R

    General Paper

    I have GP but my timetable is so cluttered I haven't even touched it
  18. R

    AS Chemistry help

    Yeah open the examiner report. It has the marking scheme in the first page.
  19. R

    The City School Gulshan A Level Campus VS A Level schools in general

    Aesa kia kardia bhai Gulshan walon ne tmhare sath? :P Well @OP that school isn't known well among many people and the general opinion is that their teacher's aren't very good. That's not true however, I am currently studying in AS of Gulshan A Level without any tutions.
  20. R

    All about Cellphones!!

    Where will you buy from? Pakistan or outside? Its 500$ for 16GB Yes it is released
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