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  1. dana xP

    chemistry p3 IGCSE !! (some important points)

    well then ,,, isnt this what u asked for??!!
  2. dana xP

    chemistry p3 IGCSE !! (some important points)

    -in this furnace haematite (iron core) is changed in to iron by using O2 + C (COKE) +CaCO3 -in the furnace 5 steps takes place *C + O2 = CO2 *CO2 + C = 2CO *3CO + Fe2O3 = 2Fe + 3CO2 *CaCO3 = CaO + CO2 *CaO + SiO2 = CaSiO3 (slag) -this slag floats over IRON , which protects it from...
  3. dana xP

    w 2ly hwa ???!!!

    w 2ly hwa ???!!!
    • dana xP
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  4. dana xP

    cant wait for 14 june !!!

    cant wait for 14 june !!!
    • dana xP
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  5. dana xP

    chemistry p3 IGCSE !! (some important points)

    now important points for the lesson electricity and chemistry !! 1-u should know all definitions (conductors , non-conductors , semi-conductors , electrolytes , non-electrolytes , electrolysis , inert electrodes , active electrodes ) with examples !! 2-for chemical changes that takes place at...
  6. dana xP

    chemistry p3 IGCSE !! (some important points)

    thanx :) if u also have any points plz post them as it may help many other people (including me) !!
  7. dana xP

    chemistry p3 IGCSE !! (some important points)

    yeah thanks alot sis !! helped me a great deal !! :D
  8. dana xP

    chemistry p3 IGCSE !! (some important points)

    any help for the lesson air and water ??
  9. dana xP

    chemistry p3 IGCSE !! (some important points)

    hey there thought to share some points about chemstry since the exam is approaching in wednesday !! i would start with organic chemistry first then later i would post the rest !! 1-hydrocarbons are composed of hydrogen and carbon 2-the general formulas r: ALKANES = CnH2n+2 ALKENES = CnH2n...
  10. dana xP

    Paper 3 physics !! get help here :)

    r u sure ??
  11. dana xP

    Paper 3 physics !! get help here :)

    can some body plz explain radioactive dating ??
  12. dana xP

    Physics general tips :)

    thanx :)
  13. dana xP

    Physics general tips :)

    oh thanx a million u really helped me out :) and good luck in tomorrow's exam.......hope that all gets an A* !!
  14. dana xP

    Physics general tips :)

    ok thanx alot <3 !!
  15. dana xP

    Physics general tips :)

    areebaization thanx alot girl... :) but could u plz explain how to use the micrometer screw gauge for finding the thickness of a magazine paper !! that would mean alot to me
  16. dana xP

    Chemistry Paper 6 - Important notes and repeated questions.

    thanx alot it really helped me to revise on the whole p6 content ,,,, !!! :)
  17. dana xP

    7ayatii inty <3

    7ayatii inty <3
    • dana xP
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  18. dana xP

    fara7ty 2lby allah yfara7k ,,, :) !!!

    fara7ty 2lby allah yfara7k ,,, :) !!!
    • dana xP
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  19. dana xP

    mn jd :(

    mn jd :(
    • dana xP
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  20. dana xP

    mn jd ana ma zakart shy !! now i will solve 2011 w tom arag3 besor3a 3la every thing w 5alas ...

    mn jd ana ma zakart shy !! now i will solve 2011 w tom arag3 besor3a 3la every thing w 5alas ,,, ana aslan tfshana mn elbio w da asssar 3la elbaky !!
    • dana xP
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