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  1. jesse d

    help needed with this chemistry question

    an aqueous solution contains 1 mol of S2O32- ions and this reduces 4 mol of Cl2 molecules. What is the sulfur containing product of this reaction a) S (b)SO2 (c) SO32- (d) SO42-. I cnt just come up with the solution
  2. jesse d

    physics 9702 P4 topicals upto 2014

    i need topicals for P4. Anyone please!!!!!
  3. jesse d

    chemistry doubt

    9701/11/ON/14 qp 15. A sample of pottasium oxide is dissolved in 250cm3 of distilled water. 25cm3 of this solution is titrated against sulfuric acid of concentration of 2.00moldm3. 15cm3 of this sulfuric acid is needed for complete combustion. Which mass of pottasium oxide was originally...
  4. jesse d

    chemistry doubts

    9701/11/ON 2014 qp15. Please ive tried solving this question but i cudnt come up with the right answer. Please help me
  5. jesse d

    i need IB past papers

    somebody should please help me. I need IB papers from 2008- 2014. Thanks in advance.
  6. jesse d

    CIE october/ November 2015 lets meet here

    lets discuss about how far we've gone, tips, and prepartion for the forthcoming exam. How to ace the esam and achieve an A*
  7. jesse d

    Ocr biology past papers needed!!!

    Does anyone have Ocr 2801 jan 2009, and 2010. Ocr 2803 jan and june 2009, ocr 2802 jan and june 2009. Thanks in advance. Pls including the markscheme
  8. jesse d

    i need Edexcel past questions for Bio and chemistry. Please help!

    im in dire need of edexcel past questions and markscheme unit 1. And also chemistry unit 1. Thanks in advance
  9. jesse d

    New to Xtreme papers

    hi guys, Im new here!
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