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  1. MiniSacBall

    Mathematics: Post your doubts here!

    QP: http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s11_qp_43.pdf Q7 pii MS: http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s11_ms_43.pdf Q7 pii, I know that when...
  2. MiniSacBall

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s10_ms_43.pdf Q5 (iii) Am i supposed to draw a neat diagram, everything scales, on a graph or just a kind of rough diagram, with those time and velocity labels without any scale? Are...
  3. MiniSacBall

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_s10_qp_43.pdf Q2 i.... Isn't the formula supposed to WD by P = Gain in Ke+ Gain in Pe + Work Done against resistance. Why they didn't use Gain in PE.
  4. MiniSacBall

    A level Biology: Post your doubts here!

    Explain this shit CIE: http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Biology%20(9700)/9700_s13_qp_13.pdf Q39 ms answer D http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Biology%20(9700)/9700_w13_qp_12.pdf Q40 ms answer C...
  5. MiniSacBall

    A level Biology: Post your doubts here!

    Not sure about 39 but in question 40, they are asking about the total energy? So you need to multiply all those values to get the total energy of each type organism, living in the area! When you multiply all of them you will find your answer which is B Hope you have got it! And for my doubt...
  6. MiniSacBall

    A level Biology: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Biology%20(9700)/9700_s11_qp_11.pdf Q14, when a non-competitive inhabitor acts it does changes the shape of active site doesn't it
  7. MiniSacBall

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_s11_qp_13.pdf Q9 iv please I know how to find the gradient of the normal. Just i have never come across such questions :(
  8. MiniSacBall

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_s11_qp_13.pdf Q9 iv please I know how to find the gradient of the normal.
  9. MiniSacBall

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_s11_qp_13.pdf q8 (i) Full steps :) after (1-cosx) (1-cosx)/(1-cos^2 x)
  10. MiniSacBall

    How to prepeare for AS General Paper?

    Well no matter what kind of alien are you, you won't be able to prepare with out a teacher some questions are insane. Internet can't give you every thing. Plus, if you can't control yourself, then you won't be able to do Maths, i mean you will be distracted easily. Books and exams are easy but...
  11. MiniSacBall

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s11_qp_13.pdf Q2, the is m=2 and m=-10 but how to know what signs to put m>2, or m<2 and m<-10 , m>-10
  12. MiniSacBall

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w12_qp_21.pdf Q5 b i) Is my answer correct especially the optical isomer one :)
  13. MiniSacBall

    Chemistry: Post your doubts here!

    Color changes from --- to ---- when adding aldehyde to Fehling's Solution Tollens Reagent Help me!
  14. MiniSacBall

    Chemistry: Post your doubts here!

    Well for me i read that you have to add cl and heat it too. :(
  15. MiniSacBall

    Chemistry: Post your doubts here!

    If the i have two elements X & Y X element has s orbital filled while Y has p orbital filled X will have higher ionization energy right! For instance, Which element has higher ionization energy Ne or Be and Why? And Why does Na has lower melting point that Mg
  16. MiniSacBall

    Chemistry: Post your doubts here!

    [other members] Correct me if i am wrong. Without heating/cold Al there will no reaction, i guess. If you pass chlorine, on a hot aluminium the reaction will occur to give AlCl3 . I may dimerize to give Al2Cl6 .. Hope this helps :)
  17. MiniSacBall

    Chemistry: Post your doubts here!

    If i am not wrong you won't be asked for which period does it lie you will only be asked about group. You can only find period if the remove all the electrons from the element. (My guess) If you are given ionization energies you just have to find the differences between them, You will find a...
  18. MiniSacBall

    Physics: Post your doubts here!

    If i am not wrong you have posted in the wrong section/thread. This is for AS And A Level. :p
  19. MiniSacBall

    Chemistry: Post your doubts here!

    Group 1 compounds have white colors, while the Group 2 compounds are colorless! Right? Transition metal have colored compounds right?
  20. MiniSacBall

    A level Biology: Post your doubts here!

    Mark Scheme is shit i have to say in this case i got confused too. Well we can't see symptoms because, the fetal hemoglobin is produced inside the body and has no signs. So like we can't know. A type of similar answer i know it is not good but some thing like we don't know when is hemoglobin...
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