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Recent content by Otaiba13

  1. Otaiba13

    how was physics p51??

    umm im pretty sure u can vary either the angle or the angular speed!! the angular speed can be varied using a motor which works at a specific speed and the angle is varied by well varying the angle!! if a person has drawn a good diagram and xplained everything well im sure he/she can hope to...
  2. Otaiba13

    How was Biology Paper 51 ...

    the procedure question was strange so less marks and so less space!!!!!
  3. Otaiba13

    How was Biology Paper 51 ...

    yeah we use the %s so its easy to compare the data from different medium!!
  4. Otaiba13

    How was Biology Paper 51 ...

    yeah very easy !!!!! i finished 30 mins before the time!!!!!!1 but i didnt like q2 !!
  5. Otaiba13

    how was chem p41 ??!?! expected thresholds ?!?!

    Organic was a disaster!!!
  6. Otaiba13

    how was chem p41 ??!?! expected thresholds ?!?!

    Mine was ok not particularly good there were MANY challenging questions and i was rushed for time at the end!!!!
  7. Otaiba13

    Chem P51 How was it?.

    dependent was mass/moles of cu(oh)2 and controlled was i think vol of cuso4 or temperature not sure!!
  8. Otaiba13

    Chem P51 How was it?.

    No :/
  9. Otaiba13

    Chem P51 How was it?.

    Once again something i may hav done if i had the time!!!
  10. Otaiba13

    Chem P51 How was it?.

    In that case we were supposed to calculate y intercept if it was close to zero then it was approximately directly proportional ,.....
  11. Otaiba13

    Chem P51 How was it?.

    My graph didnt start fro origin :/
  12. Otaiba13

    Chem P51 How was it?.

    For reliabi.ity i wrote that since most of points near line or on line data reliable and for nxt question bout confirming equation a wrote yes as we got a straight line showing direct proportionality!!! For last part i drew a line above the given line
  13. Otaiba13

    Chem P51 How was it?.

    0.0871
  14. Otaiba13

    Chem P51 How was it?.

    Hmm thats not a problem they dont always write water unless they want to specify volume water comes under standard laboratory apparatus!!
  15. Otaiba13

    Chem P51 How was it?.

    For q1 heres what i did Dissolved a calculated mass in water, poured in volumetric flask, brought up to 250cm3, used different volumes of this to make different conc of cuso4 using different volumes of water
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