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  1. user

    Chemistry prac paper is here

    its no problem any time but i would recommend u solving some pastpapers believe me this will reflect how much u know and give u confidence as well.what time is ur exam.are u good at chemistry?? GOOD LUCK
  2. user

    Chemistry Revision

    Re: Chemistry Paper 6 Revision yes truly right Larina has probably made a mistake
  3. user

    Chemistry prac paper is here

    titration is one of the method of making soluble salt of reactive metals using acid and ALKALI(soluble base) btw SuperXDE i'm surprised u r unaware of many of the words in chemistry are u giving chemistry exam in this june??any way good luck and thanks a lot forposting material for paper 6
  4. user

    Help with salts in Chemistry..!!

    its said that all grp I compounds are soluble are the hydroxide,carbonates and sulfides soluble????????
  5. user

    MATHMATICS

    i think cie is going to award marks for both the answers 0 as well as 1 coz some books consider it to be 0 when it comes back to its original pos. without overlapping any other pos. but say that to be 1
  6. user

    question for english paper 2 (second language)

    heres a link but u will have to listen them online as these files cant be downloaded http://www.hebafathi.com/home-1.html listening tracks from 1990-2008 are available!!
  7. user

    question for english paper 2 (second language)

    well i think yes though she said that shes living at the same place since 2 years and she made an order only 6 months back but it also cleary mentions that she wants the ordered directly to her mothers address living in another country (australia)!!
  8. user

    help in bio!

    but in physics (if u take) we always write that to get accurate results if they ask the reason of repeating the experiment but the bio markscheme does not accept this answer to the same question?????
  9. user

    How to score an ( A* ) ?

    well i heard recently every centre has its own curve:)
  10. user

    MATH HELP URGENT!!!!!!!!!!

    Q6aii:The equation to solve is a quadratic eqn.A little tip i would like to pass is when the question just mentions to solve the eqn. that can be done using factorising method but if it says solve to 2dp the u can only solve it using the formula hope u know the formula coz i cant write it as it...
  11. user

    help in biology paper 6

    which study guide i have one of hoddereducation but how will it help???:|
  12. user

    Chemistry Revision

    Re: Chemistry Paper 6 Revision i think u should do that soon at least just know what topics need to be done cracking and fermentation both come under organic chemistry!!and according to my teacher they might ask some questions on these topics in paper 6 like conditions..
  13. user

    Chemistry Revision

    Re: Chemistry Paper 6 Revision well please help me with the part of organic chemistry needed for paper 6 including fermentation and cracking thnx in advance
  14. user

    help in bio!

    well can someone please tell me whats the difference between accurate results and reliable results
  15. user

    Chemistry Revision

    Re: Chemistry Paper 6 Revision Yeah right dissolving is done to do chromatography
  16. user

    Chemistry Revision

    Re: Chemistry Paper 6 Revision (a)Put the leaf in the mortar and crush it using the pestle. Put the crushed leaf in a suitable solvent to dissolve in the coloured pigments (b)Place a concentrated spot of liquid extract at the centre of baseline drawn 1-2 cm above the end of filter paper. Dip...
  17. user

    Chemistry Revision

    Re: Chemistry Paper 6 Revision well yes i was too surprised but i when i did this question i checked the markscheme just imagine one mark is for writing mortar and one for pestle
  18. user

    Chemistry Revision

    Re: Chemistry Paper 6 Revision well thats not hard in the first part u just have to mention that use mortar & pestle to grind it and then mix with a suitable solvent In the second part mention the chromatography process if u want i would post it here
  19. user

    there will be no curve in june 2010 check this

    The article mentions this: If a student achieves 100 percentage uniform marks, did they achieve full marks? Not necessarily. It is possible for a student to achieve 100 percentage uniform marks without achieving full marks on the question papers. that means there r curves for each question...
  20. user

    Chemistry Revision

    Re: Chemistry Paper 6 Revision Testing for Positive ions in solutions by adding ammonia solution: Iron(III) (Fe 2+) , rust-brown gelatinous ppt. of iron(III) hydroxide ( insoluble in excess ). Theres a mistake in the above sentence it should be Fe 3+ not Fe 2+ in brackets!!
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