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  1. Xenon

    ecomomics paper 1 ???

    appreciation >>> exports become expensive, import becomes cheaper decpreciation >>> exports become cheap, import becomes expensive
  2. Xenon

    Chemistry paper 42 may/june 11

    if I am wrong its the booklets fault.... :) By the way, anyone knows how to calculate grade using thresholds and weightings or how the CIE does it
  3. Xenon

    Chemistry paper 42 may/june 11

    oxidation...? i remember just hydrolysis.. though i have no idea how hydrolysis can create an aldehyde. Nevertheless I wrote CH3CHO to match the molecular formula C2H4O
  4. Xenon

    Chemistry paper 42 may/june 11

    It does? but the app booklet says "In this technique, after the DNA has been broken up into pieces in the usual way, an individual segment is extracted. Heating a solution of the segment separates............. " I thought the usual way is to use the enzyme
  5. Xenon

    Chemistry paper 42 may/june 11

    CH3CHO also shows positive iodoform test... i was confused whether the molecular formula will be same for part (c)
  6. Xenon

    Chemistry paper 42 may/june 11

    Doesn't restriction enzyme come before PCR?
  7. Xenon

    HOW WAS CHEM 42?

    hopefully section B was good but might lose some marks from section A
  8. Xenon

    Predict the threshold of Chemistry P42?

    65 I guess..
  9. Xenon

    24 hr ban over, phy pap52

    gradient = F, value = 1190 for q1, plot a graph of q^2 against p and v = square root (0.5 x g x gradient)
  10. Xenon

    ecomomics paper 1 ???

    Well there is slight difference between devaluation and depreciation even though they are used interchangeably. In general, devaluation is associated with a fixed exchange rate and occurs when a country takes a deliberate/conscious decision to lower exchange rate. While depreciation is mainly...
  11. Xenon

    Anybody else do Math P32???

    for the log question, answer will only include the positive one but not the negative as log (x) > 0
  12. Xenon

    Anybody else do Math P32???

    Guys how much mark will be lost for misreading question... and for the complex math, I did everything correctly but wrote -1/2 instead for -2.. how much mark will I lose for this
  13. Xenon

    Anybody else do Math P32???

    Well it was good.. but will lose few marks.. oh, does anyone remember the first question.. I can't remember what the inequality was
  14. Xenon

    Economics

    Since the negotiated wage is OW if the firm tries to pay less than the negotiated wage rate, the trade union may go into, e.g a strike. Therefore the firm will not be able to lower wages and the supply curve HKN below line WX will no longer exist. The part of supply curve above the line WX will...
  15. Xenon

    Physics paper 42 help required

    Is this only for capacitor ?
  16. Xenon

    Physics paper 42 help required

    I need help with question no. 5(a)(ii) from M/J 2010 variant 42. I think the answer is 12V but mark scheme says its 9V. Can someone please explain. thanks.
  17. Xenon

    AS level ICT

    ID are always alphanumeric/text fields as they can consist of both numbers and texts, symbols, etc... In order to enter an ID number with beginning with zero, format the cell/column/row to text. The default format is General which treats the 01234 as number. Since in case of number, the 0 has no...
  18. Xenon

    A2 Chemistry P5

    thanks
  19. Xenon

    A2 Chemistry P5

    If ^H soln becomes more exothermic the magnitude should increase. right? But the mark scheme says decrease :(
  20. Xenon

    A2 Chemistry P5

    Can u please explain why it decreases. Thanks
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