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  1. S

    expected grade boundries for As math p12

    Did you calculate OD by finding DC by using the unit vector of AB...and DC=OC - OD
  2. S

    expected grade boundries for As math p12

    But didn't it say two distinct points?
  3. S

    Maths paper 12 ???

    Guys what was the equation of the tangent in the second last question?
  4. S

    expected grade boundries for As math p12

    And what was the value of the constant p? That was really weird cause it said CO STANT and not range
  5. S

    expected grade boundries for As math p12

    What was the sequence one? Ap gp? Was d 1/2 and r 3/2??
  6. S

    Chemistry: Post your doubts here!

    And 126=6.3/0.05
  7. S

    Chemistry: Post your doubts here!

    And if you divide 126-90 by 18, you do get 2...but if you divide 630-90 by 18 you get 30
  8. S

    Chemistry: Post your doubts here!

    How? We did have to divide .05 by 5 right cause the number if moles of the hydrated compound was 1 while in the equation it was 5..
  9. S

    A level Biology: Post your doubts here!

    Isn't histamr released when an antigen binds to an antibody on the mast cell?! Don't the elastic tissues perform the function of recoiling and stretching and bronchi have them...why isn't the trachea folded then? Where is the c=o in glucose? Isn't sucrose diffused I to the drive tube through a...
  10. S

    A level Biology: Post your doubts here!

    Also could you answer the mcq questions I just posted? Thanks in advance
  11. S

    A level Biology: Post your doubts here!

    Are ionic bonds stronger than hydrogen? Are you sure about that?
  12. S

    A level Biology: Post your doubts here!

    ..
  13. S

    A level Biology: Post your doubts here!

    I'm guessing its 5,3,4,2,1
  14. S

    Chemistry: Post your doubts here!

    Sorry I meant molar mass..
  15. S

    Mathematics: Post your doubts here!

    Even math?
  16. S

    Chemistry: Post your doubts here!

    How did you calculate the molar mass of the compound?
  17. S

    GT for Biology P22

    Bit are you sure it was talking about the enzyme and not the antibody?
  18. S

    Chemistry: Post your doubts here!

    But wasnt the no of moles of the compound = 6.3/0.01, since there were 0.05/5=0.01 moles of it
  19. S

    Chemistry 9700 p22 GTA

    What was the value of x, the number of moles of water?
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