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Recent content by crys123

  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 ^_^
  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
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