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  1. S

    A level Biology: Post your doubts here!

    I have the paper! I even completed it. I need the mark scheme. :'( Ugh, WHAT DO I DO? Omg, I am panicking so bad rn.
  2. S

    A level Biology: Post your doubts here!

    Btw I need the third variant of paper 1. 9700/13/M/J/14
  3. S

    A level Biology: Post your doubts here!

    Thank you sooo much! Which website did you get them from? Ugh, none of the websites I have are currently working -_____- and so close to my exams! :'( If you have any that work, please do tell!
  4. S

    A level Biology: Post your doubts here!

    I need the mark schemes!
  5. S

    A level Biology: Post your doubts here!

    Could someone give me the link to may/june 2014 past papers for biology? Maxpapers.com isnt opening :'(
  6. S

    A level Biology: Post your doubts here!

    Can someone explain the difference between precision and accuracy with an example perhaps?
  7. S

    A level Biology: Post your doubts here!

    Hey, thanks! Yeah, I find bio the least hard :p I was just confused with the conversions. :/ This helped clarify that so thank you! :) Yes, please share! That'd be even more helpful. :)
  8. S

    A level Biology: Post your doubts here!

    Ugh, I hate trick questions, they mess with my mind and make me even more confused. -_- Anyway, thanks for the help! I really appreciate it. :)
  9. S

    A level Biology: Post your doubts here!

    This one as well. Multiple choice questions are my weakness. :'(
  10. S

    A level Biology: Post your doubts here!

    Please helpp meee!!!!
  11. S

    Chemistry: Post your doubts here!

    That really did help! Thank you!!
  12. S

    Chemistry: Post your doubts here!

    Thanks! I did do that, but my structure was kinda messed up. :/ There are just sooooo many reactions and equations to remember. :'( I always forget one thing or the other. -_- Thanks again though. :)
  13. S

    AS Level Biology; post your doubts!!

    PLEASE HELP MEEEEE!!!!
  14. S

    Chemistry: Post your doubts here!

    (e) The food additive E330 is another organic compound which occurs naturally in fruit. E330 has the following composition by mass: C, 37.5%; H, 4.17%; O, 58.3%. Calculate the empirical formula of E330. I know how to solve it till here: C H O...
  15. S

    Chemistry: Post your doubts here!

    How are compounds A and B formed? :s PLEASE HELP!!
  16. S

    Chemistry: Post your doubts here!

    Here's the mark scheme: http://freeexampapers.com/A-Level/Chemistry/CIE/2012-Jun/9701_s12_ms_22.pdf My doubt: How do I figure out how many lone pairs are present?
  17. S

    AS Level Biology; post your doubts!!

    Also, this question! It's the 34th one, correct answer is D.
  18. S

    AS Level Biology; post your doubts!!

    Could someone explain this multiple choice question to me? The correct answer is B.
  19. S

    Chemistry: Post your doubts here!

    THANKS A MILLION DOLLARS FOR THIS! It's just that I wanna clarify something in this statement: "one mole of F will react with 2 mol of Na to produce 2 H which is actually 2/2 H2 or 1 H2" so one mole of F will react with 2 mol of Na because F has two functional groups? OH and COOH? Also what...
  20. S

    Chemistry: Post your doubts here!

    5 (c) http://freeexampapers.com/A-Level/Chemistry/CIE/2012-Jun/9701_s12_ms_23.pdf May/June/2012 Variant 23 I've attached the mark scheme! Please help guys, this question alone carries 4 marks :/
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