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Recent content by Mozmozil

  1. M

    ANSWERING ALL BIO/CHEM PAPER 1 DOUBTS :)

    you are my herooo.. thanks agaain !!
  2. M

    ANSWERING ALL BIO/CHEM PAPER 1 DOUBTS :)

    May I ask if u have the markschemes for 2000-2001-2002 for both June and November for Chemistryy ?
  3. M

    ANSWERING ALL BIO/CHEM PAPER 1 DOUBTS :)

    Thankyou so much princessanum!
  4. M

    Can i have the markschemes pretty pretty please?

    Hello people ! I cant believe that we r almost done with thoose igcse exams @_@ iam soo excited ,, arent u?!! Anyyhoww can anyone upload the markschemes for chemistry for 2000..2001...2002.. for both June and November pretty pretty pleeeeeease? Thankss!
  5. M

    ANSWERING ALL BIO/CHEM PAPER 1 DOUBTS :)

    Can u help me out with these... pretty pretty please.. http://www.xtremepapers.com/papers/CIE/Cambridge%20IGCSE/Chemistry%20(0620)/0620_s07_qp_1.pdf Question: 11 ..why is the answer B?
  6. M

    Chemistry Doubts: IGCSE Paper 3

    its like a seesaw,,, imaging the chubby guy as the reactants ,, and the thin one as the products ,,, if the concentration of the reactant increased we will not get an equilibrium,,so the reactants needs to be shifted to the right to achieve equilibrium ,,,, same thing for products,, if the...
  7. M

    Chemistry Doubts: IGCSE Paper 3

    ok for concentration = moles/volume ,,, we have calculated the number of moles in par c)ii to be 0.005 moles,,, and now we want to find the concentration of oxalic acid read the question carefully it gave u the volume of aqueous oxalic acid which was y 20.0 cm3 ,,, u need to convert the volume...
  8. M

    Chemistry Doubts: IGCSE Paper 3

    Titration is a method to prepare soluble salts , you only use it for group 1 and ammonium salts,, , precipitation is used to make insoluble salts ,, i think you mean by neutralisation (excess solid method ?) if yes then its used to make soluble salts you can use it only for transition metals...
  9. M

    Chemistry Doubts: IGCSE Paper 3

    lol yeah its a gd way to remember stuff,,specially for chemii ;P
  10. M

    Calculating heat chnge in a reacti using bond energy?:/

    Thankss .
  11. M

    Chemistry Doubts: IGCSE Paper 3

    2NaCl + Pb(NO3) 2-----> 2Na(NO3) + PbCl2 for this you need to knw the reactivity series of metals Please ( potassium) Stop (Sodium) Calling (Calcium) My (Magnesium) African (Aluminum) Cool (Carbon) Zebra (Zinc) In (Iron) Latin, (Lead) History (Hydrogen) Class...
  12. M

    Calculating heat chnge in a reacti using bond energy?:/

    Thankooo sooi much .
  13. M

    thanks.. btw it went really bad :/ time wasnt enough.. i left some questions @_@ ... lets hope...

    thanks.. btw it went really bad :/ time wasnt enough.. i left some questions @_@ ... lets hope chemii p3 goes well tomoz .. gd luck .
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  14. M

    Calculating heat chnge in a reacti using bond energy?:/

    thanksss ^-^
  15. M

    Chemistry Doubts: IGCSE Paper 3

    thanks ^_^
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