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  1. SomeStudent

    AS Physics P1 MCQs Preparation Thread.

    Oh yes, it wasnt a problem at all :) Not that good. I messed up my time management and had to tick off some MCQS without reading. But idec, seriously. I am just glad its over. How was yours?
  2. SomeStudent

    DONE WITH A LEVELS!!!

    DONE WITH A LEVELS!!!
  3. SomeStudent

    AS Physics P1 MCQs Preparation Thread.

    Hehe, thank you SO much for all your help! Meant a lot :)
  4. SomeStudent

    AS Physics P1 MCQs Preparation Thread.

    And last one Q To determine the mass of food in a pan, a scale is used that has high sensitivity for small masses but low sensitivity for large masses. To do this, two springs are used, each with a different spring constant k. One of the springs has a low spring constant and the other has a...
  5. SomeStudent

    AS Physics P1 MCQs Preparation Thread.

    yup. I do!
  6. SomeStudent

    AS Physics P1 MCQs Preparation Thread.

  7. SomeStudent

    AS Physics P1 MCQs Preparation Thread.

    Oh okay! Thanks!
  8. SomeStudent

    AS Physics P1 MCQs Preparation Thread.

    please explain these two!
  9. SomeStudent

    AS Physics P1 MCQs Preparation Thread.

    Someone explain why B isnt correct and D is?
  10. SomeStudent

    Chemistry MCQ thread...

    Only A is correct. The rest have 2 COOH groups so give 2 Ca salts. Put Ca in all the options and only A matches the empirical formula.
  11. SomeStudent

    Chemistry MCQ thread...

    Thank you heaps!!! :) I am still confused abT that SO3 one.. why did you divide 2/2??
  12. SomeStudent

    Chemistry MCQ thread...

    37 Which mixtures, on heating, produce the gas ND3? [D = H 2 1 , an isotope of hydrogen] 1 CaO(s) and ND4Cl(s) 2 CH3CN and NaOD in D2O 3 NDH3Cl and NaOD in D2O Why is 2 correct too? isnot this reaction catalyzed by acid only?
  13. SomeStudent

    Chemistry MCQ thread...

    11 It is often said that the rate of a typical reaction is roughly doubled by raising the temperature by 10 °C. What explains this observation? A Raising the temperature by 10 °C doubles the average kinetic energy of each molecule. B Raising the temperature by 10 °C doubles the average...
  14. SomeStudent

    Chemistry MCQ thread...

    M/J/01 2007 Q. 28, 39 Oct/Nov/01 2007 9, 20 (which type of isomerism changes the physical properties?)
  15. SomeStudent

    Almost there.. #Cies

    Almost there.. #Cies
  16. SomeStudent

    Chemo P5 tips

    How did you calculate the volume of N2O collected? cm^3 me?
  17. SomeStudent

    Chemo P5 tips

    Someone tell me the masses and volume to be collected in the same question! Please!
  18. SomeStudent

    Chemo P5 tips

    http://www.google.com/imgres?imgurl=http://www.nuffieldfoundation.org/sites/default/files/images/Recovering%2520pure%2520water%2520from%2520a%2520solution%2520using%2520a%2520water%2520condenser_234.jpg&imgrefurl=http://www.nuffieldfoundation.org/practical-chemistry/recovering-pure-water-solution...
  19. SomeStudent

    Chemo P5 tips

    Vapours will be condensed as water. Gas wont be so will go out to the outlet.
  20. SomeStudent

    Chemo P5 tips

    In the same question, it says we are to collect more than 10 cm^3 os N2O. How do we convert dm^3 to cm^3? The answer comes out to be very big
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