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  1. B

    Chemistry: Post your doubts here!

    NO2, sorry.
  2. B

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/...d AS Level/Chemistry (9701)/9701_s04_qp_1.pdf Can anyone explain question number 13 ans B, 28 ans D and 35 ans B. Questions are; In 13 why can't A be correct. In 28 why is D correct, I think D is correct as tertiary alcohols don't oxidise even by strong...
  3. B

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s04_qp_1.pdf Can anyone explain question number 13 ans B, 28 ans D and 35 ans B. Questions are; In 13 why can't A be correct. In 28 why is D correct, I think D is correct as tertiary...
  4. B

    YouTube Videos on Past Year Chemistry MCQs

    Thanks so much but do your best to upload the next 5 years in the coming 5 days or better!(y)
  5. B

    Chemistry: Post your doubts here!

    OK thanks so much!
  6. B

    Chemistry: Post your doubts here!

    OK thanks got it and will you be able to cover at least another 5 years in the coming 5 days in the youtube videos?
  7. B

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s03_qp_1.pdf Can anybody give me a detailed explanation on question 5 please?
  8. B

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s03_qp_1.pdf Can anybody give me a detailed explanation on question 5 please?
  9. B

    Chemistry: Post your doubts here!

    Q23, The carbons are in a row like -C-C-C which is 180 right. I know the bonds are tetrahedral but the C row has a 180 angle right?
  10. B

    Chemistry: Post your doubts here!

    Yes the answer is C and can you please look into the other questions as well.:)
  11. B

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_w02_qp_1.pdf Can anybody please explain questions 5,13,23,36 and 39? The problems are as follows: In 5 why can't A be correct as it is symmetrical. In 13 why can't A(Mg) be the answer as when it...
  12. B

    Chemistry: Post your doubts here!

    Thanks so much!(y)
  13. B

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w03_qp_1.pdf Can anybody please explain question 16 and 28?:)
  14. B

    Chemistry: Post your doubts here!

    No it is soluble I found that in another paper.
  15. B

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w03_qp_1.pdf Can anybody please explain question 30? Why can't D be the answer as it also react with NaOH as hydrolysis happens?:)
  16. B

    Chemistry: Post your doubts here!

    Thank you so so much:)!!! You didn't actually get my point though I needed explanation only on 11, 32, 33 and 35. But anyway thanks so much for taking your time and explaining everything it might be of good use in the end.
  17. B

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/...d AS Level/Chemistry (9701)/9701_s03_qp_1.pdf Can anybody please explain in detail questions 11, 32, 33 and 35, including all the the points in the questions from 30-40?:)
  18. B

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s03_qp_1.pdf Can anybody please explain in detail questions 11, 32, 33 and 35, including all the the points in the questions from 30-40?:)
  19. B

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w02_qp_1.pdf Can anyone please explain question 23,36 and 39?:) I would be very thankful if anyone can explain.:)
  20. B

    Statistics S1 post your doubts here

    That's ok. Thanks for your help.:)
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