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  1. salvatore

    Mathematics: Post your doubts here!

    Please help me solve the above question. Seems easy.. but I'm confused. Thanks
  2. salvatore

    Mathematics: Post your doubts here!

    Please help me find the coefficient in the paper below; no. 1 http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_s03_qp_1.pdf
  3. salvatore

    Maybe both :P

    Maybe both :P
    • salvatore
    • Profile post comment
  4. salvatore

    Haha.. u could fit in that mouth!

    Haha.. u could fit in that mouth!
    • salvatore
    • Profile post comment
  5. salvatore

    Physics, Chemistry and Biology: Post your doubts here!

    The answer is A.. Carbon monoxide is a harmful product of burning fuels
  6. salvatore

    Mathematics: Post your doubts here!

    Thanks a lot man..
  7. salvatore

    Mathematics: Post your doubts here!

    I need help in the following differentiation question: Find the equation of the tangent to the curve y = x^2, which is parallel to the line y = x. Please reply with a detailed solution..
  8. salvatore

    Mathematics: Post your doubts here!

    Hey, I need a li'l help with a question.. it looks easy, but couldn't solve it. Solve for the values of x in the following inequality : 200 < 2^n < 2000 Please reply ASAP.. thanks!
  9. salvatore

    Advanced diploma or A-levels.. which is a better choice? Please help!

    Hey guys, Hope you all are enjoying your summer holidays. I am stuck somewhere.. need li'l help! After completing my O levels, I've been given two options on how to pursue my studies: either A-levels or college (Advanced diploma). Could anyone please tell me which is a better choice.. in terms...
  10. salvatore

    Chemistry V1 (discussion)

    True dat! But I don't care about getting an A* nw.. the only thing i'm gonna do is PARTYYY!
  11. salvatore

    Chemistry V1 (discussion)

    I counted 5 hydrogen there.. or was I blind or something?? :p According to what I know, a polyester is formed by condensation polymerization! But never mind.. its just one mark!
  12. salvatore

    Chemistry V1 (discussion)

    I wrote alcohol.. coz that was surely ethanol! In addition, alcohol can polymerise to form polyester (Is that right? )
  13. salvatore

    Chemistry paper SO EASYY!!

    Guys who are taking variant 1.. asking for the questions won't help! This time, the papers for all the variants are completely different! I suggest, u get back to studying or solve some papers.. :)
  14. salvatore

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    Breaking bonds requires energy and hence, they are endothermic while forming bonds gives out energy and therefore, they are exothermic. In the question, bonds in X2 and Y2 are broken (Showing that they are endothermic) and bonds in XY are formed (Exothermic). So the answer here is C!
  15. salvatore

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    I tried solving a combined science paper.. http://www.xtremepapers.com/papers/CIE/Cambridge%20IGCSE/Science%20-%20Combined%20%280653%29/0653_s06_qp_1.pdf
  16. salvatore

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    I'm kinda confused in the question below. According to what I know, distillation (And not fractional distillation) is used in separating liquids with boiling points that differ by a larger range. Why is the answer C??
  17. salvatore

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    Ohh.. damn, I really need to get back to my books. Thanks a lot!
  18. salvatore

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    Could someone please explain this answer?? I thought it would be NH4+ since the red litmus turned blue!
  19. salvatore

    BIO PPR 1 V1 <3

    Okayy.. that was my opinion.. but I still doubt the answer about phloem :)
  20. salvatore

    BIO PPR 1 V1 <3

    Probably.. but that's what I thought coz the diagram in the question also represents mitosis ( the cells divided to form the fetus). Anyways.. never mind!
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