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  1. always-smile :)

    this profile is my friend's :)

    this profile is my friend's :)
  2. always-smile :)

    sorry but this account is not mind ....

    sorry but this account is not mind ....
  3. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    r u an O- Level candidate ???.....this point is not in the curriculum O.o
  4. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    LOOK AT THIS SITE www.freeexampapers.com
  5. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    it needs nitrates to make amino acids ,, magnesium to make chlorophyll and phosphorus to make DNA HOPE I HELPED :)
  6. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    i wrote the same thing :D
  7. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    yellow precipitate :)
  8. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    ur welcome :)
  9. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    this lesson represents a huge part in chem specially in paper 6 :)
  10. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    of course u can :)
  11. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    no problem :) yes because concentration is about the amount of water found in the sub. ..... yes because we add water so it will be the volume of sub + volume of water added.......no it doesn't change (( a strong acid stay strong even if it is dilute ))
  12. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    I think i can help more in phy and chem but in bio i will try as much as i can :) wat exactly to u need??
  13. always-smile :)

    hhhhhhhhhh.....mashy ya 3m el helper :P

    hhhhhhhhhh.....mashy ya 3m el helper :P
  14. always-smile :)

    mosh 3arfa :D...ana a3da baktb notes 3shan f elthread 3aizen 7aga lel chem :D..... ad5oly shofe...

    mosh 3arfa :D...ana a3da baktb notes 3shan f elthread 3aizen 7aga lel chem :D..... ad5oly shofe i can help u :)
  15. always-smile :)

    nothing....7asa b 5an2a shwaya so 2olt balash azakr 2day

    nothing....7asa b 5an2a shwaya so 2olt balash azakr 2day
  16. always-smile :)

    Physics, Chemistry and Biology: Post your doubts here!

    these r the most important things u need 2 knw in chem :) then i will give u the summarized lessons which r in paper 6 :)
  17. always-smile :)

    hhhhhh.. kwais :)

    hhhhhh.. kwais :)
  18. always-smile :)

    How Can Life Keep U Away From The One U Love

    How Can Life Keep U Away From The One U Love
  19. always-smile :)

    hhhhhhhhh.... why u should revise bio not chem :P

    hhhhhhhhh.... why u should revise bio not chem :P
  20. always-smile :)

    3amla eh??

    3amla eh??
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