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  1. Z

    notes on bonding

  2. Z

    AS chemistry structure of elements

    notes on the structure of elements
  3. Z

    notes on Oxygen Dissociation Curves

    notes on bio AS oxygen curves
  4. Z

    BIOLOGY GENE TECHNOLOGY NOTES

    this contains all that you need to know about gene technology part of syllabus.
  5. Z

    CHEMISTRY TITRATION HELP

    In case a titration is coming this thursday in paper 33 i need help in the following : please 1. How many times do we perform the titration? 2, 3 ,or 4 2. to how many significant figures is the burette reading to be quoted? 3. What does the examiner mean by a rough titre? 4. do we have to fill...
  6. Z

    AS level organic chemistry

    notes on organic chemistry alcohols, hydrocarbons,halogenoalkanes etc
  7. Z

    AS level organic chemistry

    notes on organic chemistry alcohols, hydrocarbons,halogenoalkanes etc
  8. Z

    Answering questions on electrode potentials

    A2 level electrochemistry
  9. Z

    notes on Titration Calculations

    download this for solving calculations in titrations in case one turns up on the practical day!! :fool: :fool: :fool:
  10. Z

    2011 june practicals

    hey does anyone have any guess as to which practicals are coming this time phys chem and bio
  11. Z

    physics binding energy plz help

  12. Z

    chemistry mcq please helppppppppp

    can someone explain why the answer is A?
  13. Z

    A2 bio respirometer

    can someone tell me how is it possible to measure CO2 consumption using a respirometer respirometers use co2 absorbents such as soda lime so how are we supposed to measure vol of co2 released during respiration so that a RQ value can be calculated. Thnkx in advance :roll:
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