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  1. princessnoor

    Physics 12 GT

    yes exactly guys ppr was very lengthy and alot of calculations i hope gt is low so tht we can get an A (ameen)
  2. princessnoor

    AS Physics P1 MCQs Preparation Thread.

    when the trolley is travelling and suddenly sand is added at X so speed decreases and as it passes Y sand is unloaded but trolley wont start running (i mean speed wont increase obvioulsy!) get it?
  3. princessnoor

    AS Physics P1 MCQs Preparation Thread.

    intial momentum=final momentum m1 u1 +m2 u2 = v (m1+m2) 0.005 x 200 + 0 = v (0.1) v= 10 ms-1 then use equation of motion 2as=v2 - u2 (1o)2 divided by (2x 9.81) =5.09 so answer is A
  4. princessnoor

    Chemistry: Post your doubts here!

    Q 7 angle 104 cuz it has 3 bonds nd one lone pair nd q 12 u understood?
  5. princessnoor

    Chemistry: Post your doubts here!

    i got to go now prepare for physics ppr tomorow:)
  6. princessnoor

    Chemistry: Post your doubts here!

    yes one flourine substitue chlorine
  7. princessnoor

    Chemistry: Post your doubts here!

    chek again
  8. princessnoor

    Chemistry: Post your doubts here!

    Q7 PH3 has 104 Q12 is B cuz it is least high thn any other option
  9. princessnoor

    Chemistry: Post your doubts here!

    its not nucleophilic substitution its isomerism
  10. princessnoor

    Chemistry: Post your doubts here!

    here u go
  11. princessnoor

    Chemistry: Post your doubts here!

    after 2005 but i dont really remember sorry
  12. princessnoor

    Chemistry: Post your doubts here!

    wht didt u get?
  13. princessnoor

    So how was chemistry P12 today?

    amm i guess after 2005 or 06
  14. princessnoor

    Chemistry: Post your doubts here!

    when both double bonds break bw carbons two ketones r formed nd 1 is already present so its 3
  15. princessnoor

    AS Physics P1 MCQs Preparation Thread.

    power output P=IV 23 x 320 =7360 W power input Power=energy/time so P=mgh/t and m/t is= 200 kgs-1 so 200 x 9.81 x 8 =15696 W output/input x 100 7360/15696=0.468 nd 0.498 x 1ooo =46.8 so answer is D
  16. princessnoor

    So how was chemistry P12 today?

    well i dont know wht gt would b it depend on all of us howw we gave the paper nd i'm telling this for 100th time tht in june 2013 variant 11 all questions were repeated and gt was still 30 rather thn above 35
  17. princessnoor

    So how was chemistry P12 today?

    the ppr wasnt tough but considering all students i think up to 30 cuz in june 2013 vaiant 11 all 40 questions were repeated nd gt was 30
  18. princessnoor

    So how was chemistry P12 today?

    more thn 3 questions were repeated but may b i dont remember
  19. princessnoor

    So how was chemistry P12 today?

    how much ppr did u solve before giving today's ppr?
  20. princessnoor

    So how was chemistry P12 today?

    no actually questions were nt really hard
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