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  1. J

    Chemistry: Post your doubts here!

    Hi guys! Help urgently, i got my mock tommorow, please help :) http://olevel.sourceforge.net/papers/9701/9701_s13_qp_11.pdf Question 21,23,25,39,17
  2. J

    A level Biology: Post your doubts here!

    ano anyone? :D
  3. J

    A level Biology: Post your doubts here!

    Hey could someone please help out? http://olevel.sourceforge.net/papers/9700/9700_s13_qp_11.pdf QUESTIONS 1 , 4 , 14 , 15 , 19 , 20 , 21, 22, 23 , 24, 25 , 26 ,28 I KNOW ITS A LOT OF QUESTIONS BUT PLEASE SOMEONE! :D
  4. J

    A level Biology: Post your doubts here!

    http://olevel.sourceforge.net/papers/9700/9700_s13_qp_11.pdf Question 4 anyone??
  5. J

    MOCK TOMMOROW AS HELP FOR MATHS!

    Hey guys i got my mock tommorow for maths, im not expecting a reply but if anyone can reply to this it would be much appreciated :D http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_w10_qp_61.pdf Questions 5 and 7 :)
  6. J

    Chemistry: Post your doubts here!

    Can someone plz xplain this question: A student mixed 25cm3 of 0.10mol dm–3 sodium hydroxide solution with 25cm3 of 0.10mol dm–3 hydrochloric acid and noted a temperature rise of 2.5°C. What is the enthalpy change of the reaction per mole of NaOH? A –209 kJ mol–1 B –104.5 kJ mol–1 C –209 J...
  7. J

    Physics: Post your doubts here!

    GUYS GOT MOCKS TOMMOROW HELP PLEAAASE!! :( :( :D http://olevel.sourceforge.net/papers/9702/9702_s13_qp_12.pdf QUESTION 9 QUESTION 14 QUESTION 17 QUESTION 23 QUESTION 24 QUESTION 27 QUESTION 29 QUESTION 37 PLEASE HELP GUYS! :D
  8. J

    Chemistry: Post your doubts here!

    Can someone please help! my mocks are in about a weeks time :/ http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s12_qp_12.pdf Question 20...
  9. J

    Physics: Post your doubts here!

    that wasnt the answer sorry hahah
  10. J

    Chemistry: Post your doubts here!

    It's 2-methylpropan-2-ol so yes it will be oxidised, as its an alcohol
  11. J

    Chemistry: Post your doubts here!

    Ca++ and 2H+ -- resin ------------> Ca++--resin and 2H+ 50ml is the original volume of solution (we keep this in mind). (0.01 mole KOH/Liter)*0.025 L = 2.5*10^-4 moles of H+ neutralized (1 mole Ca++/2 moles H+)*(2.5*10^-4 mole H+) = 1.25*10^-4 mole of Ca++ 1.25*10^-4mole CaSO4/0.050L...
  12. J

    Chemistry: Post your doubts here!

    Hey Guys, sorry ive got a lot of questions to ask, mcq if you guys dont mind answering them :) really struggling with as chemistry! http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s09_qp_1.pdf Question 2...
  13. J

    Physics: Post your doubts here!

    can someone please help me with this question, the answer is B by the way :D
  14. J

    Chemistry Curriculum Press questions and answers

    does anyone have those chemistry curriculum press questions and answers in pdf? if you do could you please kindly post them :) attached an example of what they look like
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