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Search results

  1. S

    Help with this a level physics doubt!!

    How to calculate the ratio? I would really appreciate any help
  2. S

    Physics: Post your doubts here!

    How do you do bii) they multiplied the charge from bi by 2
  3. S

    Chemistry: Post your doubts here!

    Why doesn’t the second reaction occur ?
  4. S

    Chemistry: Post your doubts here!

    For biii) why do we divide the moles we got in bii) with 3?
  5. S

    Chemistry: Post your doubts here!

    When oxidized by KMNO4 what are the three products formed from abscisic acid , ?
  6. S

    Chemistry: Post your doubts here!

    It’s one
  7. S

    Chemistry: Post your doubts here!

    Guys how do you find the order for H?
  8. S

    Mathematics: Post your doubts here!

    Hey guys are we supposed to know the large data set for edexcel? It’s a huge list, and our teachers never specified , she would just give us the data set in mocks
  9. S

    Chemistry: Post your doubts here!

    I mean I don’t really know , I’m just really lost
  10. S

    Chemistry: Post your doubts here!

    Yea I did, i got -160 if I’m correct
  11. S

    Chemistry: Post your doubts here!

    How do you do find the hydration of chlorine
  12. S

    Chemistry: Post your doubts here!

    The first and second, I also tried combining third with the combined first and second if that makes sense
  13. S

    Chemistry: Post your doubts here!

    May June variant 41
  14. S

    Chemistry: Post your doubts here!

    2012
  15. S

    Chemistry: Post your doubts here!

    How do you do c ii) ? I tried combining the three equations and balancing but that didn’t work
  16. S

    Chemistry: Post your doubts here!

    For b iv) how do we know how to form the equation ? Why is it NaSnO3?
  17. S

    Chemistry: Post your doubts here!

    But what about this structure ? I got CH2-CH-COOH as the monomer but the marking scheme says CH2=CH-COOH, why is there a double bond?
  18. S

    Chemistry: Post your doubts here!

    2013 summer
  19. S

    Chemistry: Post your doubts here!

    Guys how do you solve this buffer solution question?
  20. S

    Chemistry: Post your doubts here!

    So which groups do Cr2O7 oxidize ?
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