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  1. Mobeen

    Please help; Answer Sheet

    zishi thts really good. i sure do hope u score a distintion .. can u give me any tips on how to prepare for maths .. nd physx too ..
  2. Mobeen

    Chem P1 and P2: DiscussiOn

    yea :D
  3. Mobeen

    Please help; Answer Sheet

    thts really good zishi .. hope maths ppr cums an easy one ..
  4. Mobeen

    Chem P1 and P2: DiscussiOn

    as everyone is telling abt their ppr as awsum.. hope everyone gets A*'s ..
  5. Mobeen

    Chem P1 and P2: DiscussiOn

    it was becuz amonium phosphate reacts with calcium hydroxide nd produce ammonia gas .. it goes into the air reducing nitrogen content in soil ..
  6. Mobeen

    Please help; Answer Sheet

    good luck.. . !!
  7. Mobeen

    Chemistry paper 1 and 2

    yeast isnt an enzyme.. it contains an enzyme named zymase. . . . nd frm the last three years we hav been studying tht enzymes dont take part in the chemical reactions,, so it is corect.. nd in chemistry we havnt been taught abt any organic catalyst so we shud stick to r sylabus nd not answer...
  8. Mobeen

    Chemistry paper 1 and 2

    thnx man !!
  9. Mobeen

    Chemistry paper 1 and 2

    syed ali really ? the physicl propertiess are corect ?
  10. Mobeen

    Please help; Answer Sheet

    no worries.. my examiner told us herself tht we hav to do the signature in pen.. nd the signature dusnt even mater.. last year in islamiat nd pk stds i did a new sign in each ppr as i didnt remembr which i had done in the previous ppr .. got 3 As .. sign s no big deal..
  11. Mobeen

    Chemistry paper 1 and 2

    arnt conductivity nd melting point physical properties .. ? wht abt conductivity ?
  12. Mobeen

    physics notes

    these hav sum mistakes too.. for example the formula to dind resistance in paralel circuit ..
  13. Mobeen

    Chemistry paper 1 and 2

    answer to first one is empirical formula .. i dont know the physical propeties exctly .. i wrote tht high m.p and b.p.. nd good electrical nd heat conductivity... the equation was : 2Fr + 2H2O => 2FrOH + H2
  14. Mobeen

    Chem P1 and P2: DiscussiOn

    yea u r write talha .. also we can do nuthin if r answr is wrong .. it will just make us more dissapointed.. so why not enjoy .. nd prepare for physics.. hope every1 duz gud in tht too . Good Luck y'all..!
  15. Mobeen

    name of the plastic

    cant it be synthetic ?
  16. Mobeen

    Chemistry paper 1 and 2

    nd wht abt the second ques.. . abt fractional distilation of crude oil..
  17. Mobeen

    Chem P1 and P2: DiscussiOn

    but wht abt the catalysts definition.. in every book it says tht catalysts speeds up the chemical reation without itself being involved.. it shows tht catalyst dusnt take part in the reaction.. i think this is right.. the organic or inorganic option dusnt seem right ..
  18. Mobeen

    name of the plastic

    hey i also think tht we had to write abt the type of polymerisation.. . but my answer dusnt match any of ur answers . :( .. i wrote tht it was a synthetic polymer. . is it right ?
  19. Mobeen

    Chemistry paper 1 and 2

    1. it was D .. magnesium with steam ==> MgO nd H2 2.it was A.. both statements are corect and 2 explains 1. . 3. it ws B.. they do not take part in chemical reactions .. the definition always explains this.. nd if u hav biology thn u will no tht catalysts do not take part in the reaction..
  20. Mobeen

    Chem P1 and P2: DiscussiOn

    1. sugar particles far apart.. water particles close together.. bot mmoving at random.. 2. hydrogen. 3.electrons replaced by new.. positive ions unchanged.. 4. i think it was H2O...(D)
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