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  1. Z

    Physics Coursebook

    I downloaded it, but there's a error it seems. please temme what to do now ?
  2. Z

    Physics: Post your doubts here!

    Okay Thanks.
  3. Z

    Physics: Post your doubts here!

    As you are a staff member, I would like to ask why this website is down, it has been so long since it was functioning here in the Middle East . I was really dependent on it, but now when CIE are approaching , the website is not working. Pls repair ASAP.
  4. Z

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

    qu question 23 tooo pls
  5. Z

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

    question no 3 !!
  6. Z

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

    hydrogen and chlorine react as shown : 1 molecule of hydrogen + 1 molecule of chlorine → 2 molecules of hydrogen chloride. What is the equation for this reaction ?
  7. Z

    Physics, Chemistry and Biology: Post your doubts here!

    and for molecular formula . You also have to add the mass numbers of elements . while empirical is just the simple form
  8. Z

    Physics, Chemistry and Biology: Post your doubts here!

    Thankkk youu soo muchh !!! :* I was soo confused :) bt nt now =D So we dont need to take out the moles , the ratio of their volumes itself is the moles
  9. Z

    Physics, Chemistry and Biology: Post your doubts here!

    How is molar mass/ RMM of ethanol (2C2H5OH) =46 'Cause: (4x12) + 12 + (2x16) is 92 !
  10. Z

    Physics, Chemistry and Biology: Post your doubts here!

    In chemistry.o_O A reaction between and metal and water gives with a metal hydroxide or a metal oxide. How will i know which type of product will it form ? :unsure:
  11. Z

    Uʟᴛɪᴍᴀᴛᴇ IGCSE Nᴏᴛᴇs ﹐ E﹣Bᴏᴏᴋs ᴀɴᴅ Rᴇsᴏᴜʀᴄᴇs ᴴᴰ

    Can i pls get the answers to the uploads for chemistry paper 1 classified .
  12. Z

    Physics, Chemistry and Biology: Post your doubts here!

    Actually when i see the x axis for 26 then the ans comes out to be 2.6 days , which is not the answer. :oops: Do see the marking scheme. it might give you some idea. I am still unable to do it Maybe u forgot to deduct the background radiation. Idk ! frm where to deduct the background...
  13. Z

    Physics, Chemistry and Biology: Post your doubts here!

    May/june 2012 . P 32 . q 11 (b) http://papers.xtremepapers.com/CIE/Cambridge%20IGCSE/Physics%20(0625)/0625_s12_qp_32.pdf with stepss plss... thank you :D
  14. Z

    Iɴғᴏʀᴍᴀᴛɪᴏɴ ᴀɴᴅ Cᴏᴍᴍᴜɴɪᴄᴀᴛɪᴏɴ Tᴇᴄʜɴᴏʟᴏɢʏ (0417) : Pᴏsᴛ ʏᴏᴜʀ ᴅᴏᴜʙᴛs ʜᴇʀᴇ! ᴴᴰ

    am ! It starts at 8:30 am
  15. Z

    Iɴғᴏʀᴍᴀᴛɪᴏɴ ᴀɴᴅ Cᴏᴍᴍᴜɴɪᴄᴀᴛɪᴏɴ Tᴇᴄʜɴᴏʟᴏɢʏ (0417) : Pᴏsᴛ ʏᴏᴜʀ ᴅᴏᴜʙᴛs ʜᴇʀᴇ! ᴴᴰ

    At 12:30 or 1:00 pm
  16. Z

    Iɴғᴏʀᴍᴀᴛɪᴏɴ ᴀɴᴅ Cᴏᴍᴍᴜɴɪᴄᴀᴛɪᴏɴ Tᴇᴄʜɴᴏʟᴏɢʏ (0417) : Pᴏsᴛ ʏᴏᴜʀ ᴅᴏᴜʙᴛs ʜᴇʀᴇ! ᴴᴰ

    Thank you shoaib672002 :3 Karim Nabil : I know :/
  17. Z

    Iɴғᴏʀᴍᴀᴛɪᴏɴ ᴀɴᴅ Cᴏᴍᴍᴜɴɪᴄᴀᴛɪᴏɴ Tᴇᴄʜɴᴏʟᴏɢʏ (0417) : Pᴏsᴛ ʏᴏᴜʀ ᴅᴏᴜʙᴛs ʜᴇʀᴇ! ᴴᴰ

    As in.. ? Umm.. in Dubai, U.A.E., in AUS to be specific o_O
  18. Z

    0510 ESL Listening tracks: (1990 - 2013)

    Rahatara Sadique Pls upload 2013 June track. ASAP
  19. Z

    0510 ESL Listening tracks: (1990 - 2013)

    Apologies, but i am somehow unable to hear the tracks. I went to that site and clicked on june 2010 track but nothing is happening after that. Assistance required pls. Have a paper tom. :unsure:
  20. Z

    Iɴғᴏʀᴍᴀᴛɪᴏɴ ᴀɴᴅ Cᴏᴍᴍᴜɴɪᴄᴀᴛɪᴏɴ Tᴇᴄʜɴᴏʟᴏɢʏ (0417) : Pᴏsᴛ ʏᴏᴜʀ ᴅᴏᴜʙᴛs ʜᴇʀᴇ! ᴴᴰ

    A little help from my side. :D
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