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  1. Abu mota

    Chemistry Paper 1

    sodium is in group 1 so its either white or colourless i.e only transition metals form coloured compounds :)
  2. Abu mota

    Chemistry Paper 1

    check www.freeexampapers.com Also if u dont understand a question or u have any doubts in chemistry or biology ask us here and we will be glad to help :)
  3. Abu mota

    Prediction of Grade Thresholds for May-June 2012!

    one more thing i forgot to mention,if ur exam is hard then ur gt will be low, if ur exam is easy then ur gt is high, so the exam being difficult has no difference whatsoever on the grade. Also one more thing, if u find something easy doesnt mean everyone finds it easy and if u find something...
  4. Abu mota

    Prediction of Grade Thresholds for May-June 2012!

    if u r stupid doesnt mean everyone is ;) no offence too :p and btw dont make an excuse for ur failure, if u fail then say i fail without saying some lame excuses and ty
  5. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    i've found the second question in Nov 1994, it is only water cycle because in the question if u looked carefully u will find an arrow pointing from the xylem vessels, this means it must be water :) and so the answer is water cycle only as CO2 comes from the air not from the xylem vessels :)
  6. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    i cant see any of the questions, all i see is a frog :/
  7. Abu mota

    Maths --> What if you wrote the working with Pencil in Paper 2? [HELP!!!!]

    just one question......WHY??????
  8. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    Jolie if u have any other questions plz ask I'm kind of bored LOL
  9. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    i knew why because growth is defined as the increase in dry mass due to the increase in the number of cells or the size of the cells and now im very sure of this :D
  10. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    for june 1999 because the cell need to get bigger and then divide, get bigger and then divide. (imnot very sure of this) for nov 2000 Q.24 u shud memorize that naturally the plumule has negative geotropism and radicle has positive geotropism and so the answer is C for nov 1998 Q.10 because bile...
  11. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    It didn't say iron oxide it said impure iron i.e pig iron which is turned into steel by adding oxygen and calcium oxide that neutralises the acidic impurities so the answer is calcium :D
  12. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    Yes u do :)
  13. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    I don't think you understood me, it says in the question composition I.e what it's made of and when it's galvanized it is just covered with zinc and not made up of zinc :/
  14. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    Q.3 the residue is used to describe insoluble and filtrate is used to describe that it is soluble and it formed a residue in ethanol but formed a filtrate in water so the answer is B Q.25 the answer is D because brass doesnt have a chemical formula and only zinc reacts with hydrochloric acid...
  15. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    C is the xylem vessel, the right answer is B because water leaves only from the stomata :)
  16. Abu mota

    Prediction of Grade Thresholds for May-June 2012!

    lol this is impossible :rolleyes: if this was true a dog will get an A* :LOL:
  17. Abu mota

    Physics, Chemistry and Biology: Post your doubts here!

    w04 Q.32 in the mark scheme it says it is D but imnot convinced, isnt the zinc just covering the iron and doesnt make a part of its composition?
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