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  1. A

    How's Mathematics P72 Guys??..

    okay then, so i got no mark for tht one. Well, it relieved me a little thx lol. Hope tht i still can get A* though, or my scholarship will be flying away byebye :(
  2. A

    How's Mathematics P72 Guys??..

    I think i did pretty good for the paper. But, i kinda did a mistake when finding the confidence interval T-T .. I forgot that the formula is p+/-z(pq/n)^(1/2). i removed 'n' from my division hiks2 aw... darn man... Wonder how many marks will be deducted. And also, for number 7, i did all 7)i...
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    How's Chemistry Paper 52?

    Yeah.. Tht's true, i think that the purpose they give a fixed mass of water is for us to vary the amount of KCL added lol.. Besides, the volume of each experiment is supposed to be constant as a control and thats why the limiting factor is that the total volume couldn't have been exactly the...
  4. A

    How's Chemistry Paper 52?

    woahhh.. The chemistry paper 5 hardness was medium. i did wrong for prediction the temperature of solution. The boiling temperature should have increased linearly as the concentration of solution increases. But i wrote that it decreases and curved, not linear. DAMN... and for q2, the gradient is...
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