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  1. areebaization

    Physics paper 31 , (a death call)

    Umm no....I guess that was for a wide gap this one was narrow :/
  2. areebaization

    Physics, Chemistry and Biology: Post your doubts here!

    I guess it can be written in either way...she wrote the valency of the 2Ag combined :)
  3. areebaization

    Physics, Chemistry and Biology: Post your doubts here!

    Since in part b i) It says that the pin turns 90 degree (which is 1/4 of a circle) so in part b ii) we will divide the circumference of the heated pin by 4 (to get 1/4th of the circumference, which is the expanded length) then in the next part (iii) we will add this value with the original...
  4. areebaization

    which is harder, Edexcel or CIE?

    C.I.E but i guess GCE is even harder :/
  5. areebaization

    chemistry p3 IGCSE !! (some important points)

    TY guys that was really helpful! BTW what do we need to know in the basic O2 furnace? The whole story? :P
  6. areebaization

    Physics, Chemistry and Biology: Post your doubts here!

    haha I got confused cause it said the o2 was in Excess :P Thanx again :)
  7. areebaization

    Physics, Chemistry and Biology: Post your doubts here!

    how did u get 1:10? and do we have to convert cm^3 to dm^3?
  8. areebaization

    Physics general tips :)

    I guess i am too late now :( But anyway p6 is still left so here it is: A vertical object is parallel to the Y-axis and a horizontal object is parallel to the X-axis. I hope that's what u asked about :) Goodluck! :)
  9. areebaization

    Physics, Chemistry and Biology: Post your doubts here!

    tin mostly ionizes with the oxidation state +2, and Ag has the valency +1. In order to replace the silver ions tin has to donate two electrons to silver. these two electrons r accepted by 2 silver ions. Read the eqn. again. Hope u get the point!
  10. areebaization

    Physics paper 31 , (a death call)

    i meant "circular" waves and yeah that WAS semi circle and that's what i drew :P
  11. areebaization

    Physics paper 31 , (a death call)

    But guys after evaporation heat is lost right? remember molecules with higher energy escape the surface...and leave behind molecules with lower energy(cooler)?
  12. areebaization

    Physics paper 31 , (a death call)

    can the example of change of state be "evaporation"?
  13. areebaization

    Poll:Physics p31

    see dude I'll try to explain it 2 u: p1 carries 30% of 200 marks (which equals to 60 marks...though it is of 40 marks) p3 carries 50% of 200 marks (which equals to 100 marks...though it is of 80 marks) p6 carries 20% of 200 marks (which equals to 40 marks...Here 1 mark will remain the same while...
  14. areebaization

    Physics, Chemistry and Biology: Post your doubts here!

    i know i saw some videos on youtube and am more confused :/
  15. areebaization

    i did my physics paper 32 in PENCIL

    diagram could be done with a pencil. Read the instructions in the latest past papers the say so :P
  16. areebaization

    Physics, Chemistry and Biology: Post your doubts here!

    I have a doubt guys! Since almost all metals are cations and reduction happens at cathode can we say that metals get reduced? OR the substance that gets disposed off (in the form of gas or solid precipitate at the bottom of the beaker) at the electrodes is generally reduced? :S
  17. areebaization

    Alkaline hydrolysis of esters - me explaining it to you guys!

    what's reflux? and in methyl ethanoate which is the acid and which is the alcohol! TY for the explanation though :)
  18. areebaization

    Poll:Physics p31

    http://www.xtremepapers.com/papers/CIE/Cambridge%20IGCSE/Physics%20(0625)/0625_w11_gt.pdf
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