• 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)

Recent content by Shamu M

  1. S

    Maths HL Complex Number-Doubt??? Need help ASAP

    Can someone please do this sum and show it to me Q) Prove that Z x conjugate of W minus conjugate of Z x W is purely imaginary and zero for all complex numbers z and w. Please Help!!!! Thanks in advance!!!! :D
  2. S

    Math sum,help needed to solve this sum

    I've just begun with IB like only a month now,can someone pl solve this sum for me,it's from exponentials and logarithms A) e^x= -x+1 B) 2e^x= -3x-1 C) e^x= x+1
  3. S

    Chemistry doubt(Urgent)-(0620)

    Can someone explain this one too,why is the answer "B"?:S
  4. S

    Chemistry doubt(Urgent)-(0620)

    20) An alloy contains copper and zinc. Some of the zinc has become oxidised to zinc oxide. What is the result of adding an excess of dilute sulfuric acid to the alloy? A ) A blue solution and a white solid remains. B ) A colourless solution and a pink /brown solid remains. C ) The alloy...
  5. S

    Chemistry doubt(Urgent)-(0620)

    Thank you white rose,even u helped:)
  6. S

    Chemistry doubt(Urgent)-(0620)

    Thanks a lot for ur help!!!!!!:)
  7. S

    Chemistry doubt(Urgent)-(0620)

    But how,explain it,I didn't understand it?????:confused:
  8. S

    Chemistry doubt(Urgent)-(0620)

    Can someone please explain me this question's answer: 32) Dry air is passed over hot copper until all the oxygen has reacted. The volume of gas at the end of the reaction is 120cm3. What is the starting volume of dry air? A )132cm cube B)150cm cube C) 180cm cube D) 600cm cube (You could refer...
  9. S

    Biology(0610)-Need doubt clarification(Urgent)

    And thanks for the reply :D,hope to get full in MCQ's
  10. S

    Biology(0610)-Need doubt clarification(Urgent)

    Oh so it means as the plant X lower surface has more water so it will lose more water than the others,is that how to interpret the graph?
  11. S

    Biology(0610)-Need doubt clarification(Urgent)

    15) Cobalt chloride paper is blue when dry but turns pink when wet. Some blue cobalt chloride paper was fastened to the upper and lower surfaces of a leaf on a plant X and a leaf on plant Y. The diagram shows the results of the experiment. (Please refer to question paper of May/June...
  12. S

    Need Urgent Help in Chemistry (0620)-Extended

    Thanks allison,but I'm done with the exam, fortunately I saw ur reply through my phone, Thanks once again!!!!!!!!!:D
  13. S

    Need Urgent Help in Chemistry (0620)-Extended

    Can anyone please tell me how to calculate the time in the this question:This question is from paper 32 of May/June seesion 2011.Sorry I didn't know how to upload the table that was given,please see the question paper for the table for the 3rd question. 3 ) The equation for the reaction...
  14. S

    Need urgent help for French continuous writing Paper 4(0520)

    Great me too!!!!!!!!!! :D
  15. S

    Need urgent help for French continuous writing Paper 4(0520)

    Do u mean it was tough or was it easy for u????:confused:
See more
Top