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  1. M

    AS Chemitry question past paper problem

    14 Aluminium chloride catalyses certain reactions by forming carbocations (carbonium ions) with chloroalkanes as shown. RCl + AlCl3 → R+AlCl4 Which property makes this reaction possible? A) AlCl3 is a covalent molecule. B) AlCl3 exists as the dimer Al2Cl6 in the vapour. C) The...
  2. M

    phsics mcq question need help

    http://www.xtremepapers.me/CIE/Internat ... 8_qp_1.pdf http://www.xtremepapers.me/CIE/Internat ... 8_ms_1.pdf need help with Q34 ???
  3. M

    November 2010 chemistry

    http://www.xtremepapers.me/CIE/Internat ... _qp_11.pdf http://www.xtremepapers.me/CIE/Internat ... _qp_11.pdf The answer to Question 9? y is it B instead of C??????????????????
  4. M

    COMPUTER PAPER 2 AS notes available here

    http://sites.google.com/site/computing9 ... stribution The site contains notes related to paper 2 of computers.
  5. M

    Maths (M1) may/june 2003

    http://www.xtremepapers.me/CIE/Internat ... 3_qp_4.pdf Need help with Question 5 second part. Cant understand the direction of tension in the string.
  6. M

    Further marhs

    I was considering taking further maths in A2s. I have completed all of my As maths and in summer vacations will finish A2 maths as well. My subjects are physics, chem, maths and comp. What do you guyz/galz think? Should i take it?
  7. M

    Maths Paper 2

    CAN someone tell complete the following list of questions of section A. I think i missed one by mistake. 1) Q 1 was related to simple interest and something else. 2) Q 2 was of pentagon 3) Q 3 ??????? 4) Q 4 ??????? 5) Q 5 MAtrices 6) Q 6 ???????
  8. M

    significant figure/ Decimal places

    To how many significant figures/decimal places do we have to round our answers in paper 2.
  9. M

    Shear

    CAn someone please explain shear to me?
  10. M

    Queries

    I have some Questions about the physics paper that have been troubling me since yesterday. 1) How many questions were we supposed to do in paper 2 section B? 2) What was the limit of proportionality in Paper 1? 3) What was the energy change in the parachute question? 4) What was the answer...
  11. M

    Urgent Help

    http://www.xtremepapers.net/CIE/Cambrid ... 9_qp_1.pdf In the above paper, How is the answer to Q.26 obtained? I cant get the answer that is in the marking scheme.
  12. M

    physics HElp

    http://www.xtremepapers.net/CIE/Cambrid ... 9_qp_2.pdf In the above paper in Q 7a, how is the answer determined??????
  13. M

    DISCUSS COMPUTERZZZ HERE

    My paper went well. WHat was the 2 softwares for videoconferencing?
  14. M

    HELP!

    What is Electronic Scabbing in computers????
  15. M

    VERY URGENT. PLZ HELP FAST.

    what is the structure of PoLYPROPENE ? Does it contain methyl group? If so then why?
  16. M

    TEnsion Week !!!!

    THe week ahead is full of stress. I can see it now! Chemistry paper 1 , 2 (Tension) Computer paper (TeNsIoN) Physics Paper 1 , 2 (TENSION) UFF!
  17. M

    Aluminiumoxide

    aluminium oxide is acidic or basic?
  18. M

    MOLES

    http://www.xtremepapers.net/CIE/Cambrid ... 5_qp_2.pdf In the above paper in Section A Q.5 a (ii) i get half the answer given in the marking scheme. I tried many things but everytime get wrong answer. Can someone plz explain. AND in Q.5b why isnt the volume also halved? THE LINK TO MARKING...
  19. M

    Concentration

    http://www.xtremepapers.net/CIE/Cambrid ... 4_qp_1.pdf How do you get the answer to Question 24, related to concentration, in the above paper?
  20. M

    MEthane

    What are sources of Methane and hydrogen?
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