• We need your support!

    We are currently struggling to cover the operational costs of Xtremepapers, as a result we might have to shut this website down. Please donate if we have helped you and help make a difference in other students' lives!
    Click here to Donate Now (View Announcement)

Search results

  1. crys123

    Chemistry: Post your doubts here!

    the ans is C. plz explain someone!
  2. crys123

    Chemistry: Post your doubts here!

    why is the ans Be and not Mg?
  3. crys123

    Chemistry: Post your doubts here!

    ok ok sorry! i studied bio and believe me compared to what i had to study in bio, this is actually the easy one. And i said it so that you dont get scared of the chapter. coz it happened to me, somebody told me that moles is extremely hard and i ended up struggling the most with moles, for 2...
  4. crys123

    Chemistry: Post your doubts here!

    The answer is C.
  5. crys123

    Chemistry: Post your doubts here!

    chemistry of life is completely from AS biology. im guessing u didnt take biology. i'd suggest taking help from a classmate/friend of yours. Get somebody who took biology in AS level to explain you the chapter. Or you could try watching videos from youtube. I dont know if there is any...
  6. crys123

    Chemistry: Post your doubts here!

    cambride international AS and A level chemistry coursebook by Roger Norris, Lawrie Ryan and David Acaster. Some people use additional books but this one is pretty much enough for our course.
  7. crys123

    Chemistry: Post your doubts here!

    ok got it. i thought SN1 mechanism worked for both secondary and tertiary halogenoalkanes. thats why i couldnt understand how both C and D could be right. :)
  8. crys123

    Chemistry: Post your doubts here!

    this paper is absolutely killing me! ans is D
  9. crys123

    Chemistry: Post your doubts here!

    the ans is D
  10. crys123

    Chemistry: Post your doubts here!

    Ans is C.
  11. crys123

    Chemistry: Post your doubts here!

    the answer is D. Why is C wrong? C and D both have one chiral centre and they both have -COOH group!
  12. crys123

    thank u ^_^

    thank u ^_^
    • crys123
    • Profile post comment
  13. crys123

    As physics p1 MCQS YEARLY ONLY.

    thank you so much!!! :)
  14. crys123

    As physics p1 MCQS YEARLY ONLY.

    the ans in C. why is D wrong?
  15. crys123

    As physics p1 MCQS YEARLY ONLY.

    can anyone help me with uncertainty and error? Oct/nov 2005. Q: 5
  16. crys123

    As physics p1 MCQS YEARLY ONLY.

    now i feel really good. :)
  17. crys123

    As physics p1 MCQS YEARLY ONLY.

    no 12: i dont know whats wrong but im getting the wrong ans everytime! sorry couldnt help with this one too
  18. crys123

    As physics p1 MCQS YEARLY ONLY.

    yeah u r right. u got it. but its a graph. and in a graph we consider the upper part (+) and the lower part as negative. so the value of p1 (coz its on the upper portion) is +p1. and for p2 its on the lower portion so its -p2.
  19. crys123

    As physics p1 MCQS YEARLY ONLY.

    ok, no problem :) Force = change in momentum (division sign) change in time. This is newton's second law. The net force acting on an object is directly proportional to the rate of change linear momentum. the net force and the change in momentum are in the same direction. since this is a...
  20. crys123

    As physics p1 MCQS YEARLY ONLY.

    ok i am help u with this one. SI base SI base units Electric current Ampere (A) Time Seconds (s) Mass Kilogram (kg) Length metre (m) Temperature...
Top