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  1. A

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w13_qp_13.pdf Question 26
  2. A

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w13_qp_13.pdf Question 3
  3. A

    Physics, Chemistry and Biology: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20IGCSE/Physics%20(0625)/0625_s08_qp_1.pdf Question 37
  4. A

    Physics, Chemistry and Biology: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20IGCSE/Physics%20(0625)/0625_s11_qp_31.pdf Question 6bi and 6biii
  5. A

    Post your AS-Level Mathematics (P1 and M1) doubts here.

    A particle P moves in a straight line. It starts from rest at a point O and moves towards a point A on the line. During the first 8 seconds P’s speed increases to 8 m s−1 with constant acceleration. During the next 12 seconds P’s speed decreases to 2 m s−1 with constant deceleration. P then moves...
  6. A

    Post your AS-Level Mathematics (P1 and M1) doubts here.

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s11_qp_43.pdf Question 4iii and iv
  7. A

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s09_qp_2.pdf Question 4bii
  8. A

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s08_qp_2.pdf Question 4bii
  9. A

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w06_qp_2.pdf Q2ci
  10. A

    Chemistry: Post your doubts here!

    How does oxidation and reduction occur when ally alcohol is converted into propanal using a ruthenium catalyst
  11. A

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s06_qp_2.pdf Question 4e)
  12. A

    Chemistry: Post your doubts here!

    A! This is a pretty simple question which idk why a lot of students have trouble answering. Tackle it like this. If the compound was an alkane and had no rings or double bonds, number of H atoms present = 2n+2 = 2(20)+2 = 42 Now, every time there're 2H less, you'll either have a double bond...
  13. A

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w09_qp_11.pdf Question 21
  14. A

    Chemistry: Post your doubts here!

    Thank you so much for your help :D
  15. A

    Chemistry: Post your doubts here!

    thank you for your help but could you explain more iam still confused
  16. A

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w09_qp_11.pdf Question 28
  17. A

    Chemistry: Post your doubts here!

    Cyanohydrins can be made from carbonyl compounds by generating CN–ions from HCN in the presence of a weak base. In a similar reaction, –CH2CO2CH3 ions are generated from CH3CO2CH3 by strong bases. Which compound can be made from an aldehyde and CH3CO2CH3 in the presence of a strong base? A...
  18. A

    Chemistry: Post your doubts here!

    Thank you so much :D
  19. A

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w10_qp_22.pdf Question 1 Ciii , iv) and d)
  20. A

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w05_qp_2.pdf Question 5e, f and g
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