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  1. Z

    Biology P5

    I am not very good at bio P5. But I hope I will get some support from the readers to continue this thread. All I am going to do is start the thread. So, here it goes buddies: A. How to calibrate an eyepiece graticule: 1. Use an eye piece lens that has been fitted with a graticule (lol) 2...
  2. Z

    pre-2002 papers

    biology p5. Got the exam day after tomorrow
  3. Z

    pre-2002 papers

    guys, does anyone know how to access pre 2002 past papers. Xtremepapers doesn't have them
  4. Z

    Need Bio p3 and p5 Nov 1999------URGENT PLZZZZ!!!!

    [email protected]
  5. Z

    Chemo P5 tips

    yeps, I guess so. But we had to realise that a curve can also be a line of best fit. Question 2 or P52 was pretty different from the previous papers
  6. Z

    Chemo P5 tips

    So, guys, how was the paper?? Hope all of you rocked!!!!!!!
  7. Z

    Chemo P5 tips

    my pleasure man!
  8. Z

    Chemo P5 tips

    BEST OF LUCK EVERYONE!!!!!!!!!!!!HOPE ALL OF YOU ACE P5!!!!!!!!!!!!!
  9. Z

    Chemo P5 tips

    GUYS HAVE A LOOK AT THIS, ASAP!!!!!!!!!! http://www.chemguide.co.uk/physical/bas ... ental.html
  10. Z

    Chemo P5 tips

    the mass of USED zinc is higher . That would be mass of EXCESS zinc would be lower
  11. Z

    Chemo P5 tips

    I am presuming "I on Y-axis and Zn on X- axis" If ratio is too high, we can deduce that I is higher than it should be. Or it ccould also mean mass of Zn used calculated is lower than it should be. So, what could give a lower than required mass of used Zn? Well, if mass of Zn is determined by...
  12. Z

    Chemo P5 tips

    okay guys, I think I am done with this post. If you have any experimental procedures (not calculations and graph works because I find it very difficult to explain them online) please post the question here. And sorry for not replying to some of the questions, it is just that explaining how to...
  13. Z

    Chemo P5 tips

    The volume of a polystyrene cup used in the lab is roughly 150 cm3
  14. Z

    Chemo P5 tips

    When asked "Which equipment should be changed so that the accuracy is improved the most?", always choose the equipment which has the highest percentage error in the experiment.
  15. Z

    Chemo P5 tips

    HERE YOU GO: http://www.creative-chemistry.org.uk/al ... ch2-09.pdf
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