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  1. K

    Chemistry: Post your doubts here!

    Any one why answer d?
  2. K

    Chemistry: Post your doubts here!

    Any one can explain? answer is marked!
  3. K

    Chemistry: Post your doubts here!

    Chem 34 practical on 28th may.(COPIED DONT KNOW ABOUT AUTHENTICITY) 1. Redox titration 2. Enthalpy change through titration 3. Salt analysis (FeSO4 and CaCl2)
  4. K

    Chemistry: Post your doubts here!

    Any expected practical in 34? By your teacher?
  5. K

    Chemistry: Post your doubts here!

    What is expected in ASLEVEL CHEMISTRY 34 PRACTICAL?
  6. K

    Mathematics: Post your doubts here!

    When doing this through simulatenous equation i am not getting correc tanswer why?
  7. K

    Mathematics: Post your doubts here!

    Isnt it without replacement? for part 2?My solution: p(3,5) *2 =(4/5 *1/4)*2 but they havent reduced the total in second term why?
  8. K

    Mathematics: Post your doubts here!

    Guyz i need advice for p3 I have done topical once of whole subject..I dont have much time now for p3 and i am also not good in p3 now should i do yearly or topical(like 10-20 question of each chap)?
  9. K

    Mathematics: Post your doubts here!

    Anyone part 3 with solution?
  10. K

    Chemistry: Post your doubts here!

    Having problem/confusion in deducing molecule thorugh NMR pattern. Taking alot alot of time and it is of only 1-2 or maximum 3 marks. what should i do not getting better in it?How you people doing?
  11. K

    Mathematics: Post your doubts here!

    Can anyone help please ?My solution is als attached what is my mistake?
  12. K

    Mathematics: Post your doubts here!

    Paper 3 MATHS ALEVEL.
  13. K

    Mathematics: Post your doubts here!

    Does anyone have Notes about rotation of complex number point when it is mulitiplied or divide by other complex number?
  14. K

    Mathematics: Post your doubts here!

    Help needed in 12 part a please solve it. TIA
  15. K

    Chemistry: Post your doubts here!

    Ohh grea888!
  16. K

    Chemistry: Post your doubts here!

    Those studying A2 this year. How are you guys Keep revising this Reaction of Organic? If i dont revise for 4-5 days,I will forget the Catalyst or reagent. Cant Find any summary on Internet like we have of AS reactions. Like 1 or 2 page summary reactions
  17. K

    Mathematics: Post your doubts here!

    Is the method same for this question also?Why is there men not mentioned? But still we use men in counting
  18. K

    Mathematics: Post your doubts here!

    in a group of 30 teenagers 13 of the 18 males what kops are kid and 3 of the 12 female watch kops are kids find probability that the person chosen at random from the group is either female or watches kops are kids or both. Nov 11 p63 q2 I need detail solution please .
  19. K

    Chemistry MCQ thread...

    ANSWER IS D. Please explain how carbon is removed. And why B is not an answer.
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