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  1. сᴏᴏʟ сяуѕтᴀʟѕ

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    what is the percentage of oxygen in air? 20% the question states that ALL the oxygen is used up..which means that 20% of the air is used AND that is equicalent to 30cm3 (as it says the volume of air is decreased by 30) % of air = 100 % of Oxygen = 20 Volume of air = ...
  2. сᴏᴏʟ сяуѕтᴀʟѕ

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    umm...not yet working...temme the question number, and subject..i mean bio or chem?
  3. сᴏᴏʟ сяуѕтᴀʟѕ

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    Assalam-o-alaikum wr wb.. try uploading the file again..it isn't opening!
  4. сᴏᴏʟ сяуѕтᴀʟѕ

    ᴊυѕт ᴀ ғᴇω мᴀɢɪсᴀʟ ωᴏяᴅѕ

    Walaikumassalam wr wb... Jazakallah Khair and Aameen!
  5. сᴏᴏʟ сяуѕтᴀʟѕ

    ᴊυѕт ᴀ ғᴇω мᴀɢɪсᴀʟ ωᴏяᴅѕ

    Walaikumassalam wr wb... سبحان الله والحمد لله ولا اله الا الله والله اكبر سبحان الله وبحمده سبحان الله العظيم
  6. сᴏᴏʟ сяуѕтᴀʟѕ

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    Assalam-o-alaikum wr wb... well if oxyger, OH- is produced, it means that chlorine remain as the solution...i.e the solution is Sodium Chloride NOT Sodium Hydroxide.. actually....the theory behind this question (as others say) is that...once the OH- ions are discharged...the solution, sodium...
  7. сᴏᴏʟ сяуѕтᴀʟѕ

    hmm....good luck with it xP

    hmm....good luck with it xP
  8. сᴏᴏʟ сяуѕтᴀʟѕ

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    hmm okie...Jazakallah Khair both of you.. May Allah make the papers ez for you and may He give you success in this world as well as the Hereafter...Aameen!
  9. сᴏᴏʟ сяуѕтᴀʟѕ

    aoa wr wb.. your statuses/mood and username contradicts...cheer up gurl!!! =P

    aoa wr wb.. your statuses/mood and username contradicts...cheer up gurl!!! =P
  10. сᴏᴏʟ сяуѕтᴀʟѕ

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    umm...okie i get you..but why are we supposed to see/wait till all the OH- ions are over? :confused:
  11. сᴏᴏʟ сяуѕтᴀʟѕ

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    what do you mean?
  12. сᴏᴏʟ сяуѕтᴀʟѕ

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    in aqueous solutions...the one lower in the series is discharged, in this case OH- ions... the thing you are saying is when the solution is concentrated but in the question, no where it is mentioned that it is concentrated which means it is dilute :confused:
  13. сᴏᴏʟ сяуѕтᴀʟѕ

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    Assalam-o-alaikum wr wb... can someone please tell me the answer to this question! Jazakallah Khair...
  14. сᴏᴏʟ сяуѕтᴀʟѕ

    ᴊυѕт ᴀ ғᴇω мᴀɢɪсᴀʟ ωᴏяᴅѕ

    Walaikumassalam wr wb... سبحان الله والحمد لله ولا اله الا الله والله اكبر سبحان الله وبحمده سبحان الله العظيم
  15. сᴏᴏʟ сяуѕтᴀʟѕ

    ᴊυѕт ᴀ ғᴇω мᴀɢɪсᴀʟ ωᴏяᴅѕ

    Walaikumassalam wr wb :)
  16. сᴏᴏʟ сяуѕтᴀʟѕ

    ᴊυѕт ᴀ ғᴇω мᴀɢɪсᴀʟ ωᴏяᴅѕ

    Assalam-o-alaikum wr wb... سبحان الله والحمد لله ولا اله الا الله والله اكبر سبحان الله وبحمده سبحان الله العظيم
  17. сᴏᴏʟ сяуѕтᴀʟѕ

    Walaikumassalam wr wb... Aameen! May Allah give you success in this world as well as the...

    Walaikumassalam wr wb... Aameen! May Allah give you success in this world as well as the Hereafter..!
  18. сᴏᴏʟ сяуѕтᴀʟѕ

    It BEGINS

    As far as i am concerned about, annoying doesn't help you relax :P
  19. сᴏᴏʟ сяуѕтᴀʟѕ

    It BEGINS

    Assalam-o-alaikum wr wb.. keep waiting :P multixamza01 please atleast let the exams get over...otherwise trust me i will go and beg every moderator and admin to lock this thread :LOL: :ROFL: (and for that i am sure imma get LOADS of duas/prayers Inshallah :P)
  20. сᴏᴏʟ сяуѕтᴀʟѕ

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    LOL she never mentioned the subject so i was checking bio :oops: :P
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