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  1. Tazyeen K

    Chemistry: Post your doubts here!

    Round it up to a whole number.
  2. Tazyeen K

    anyway me goin! Best of luck with the paper!

    anyway me goin! Best of luck with the paper!
  3. Tazyeen K

    Chemistry: Post your doubts here!

    Lol :P
  4. Tazyeen K

    They ill tell you wat to take in buretter nd flask. Dont worry abt that

    They ill tell you wat to take in buretter nd flask. Dont worry abt that
  5. Tazyeen K

    Chemistry: Post your doubts here!

    paper 12
  6. Tazyeen K

    And then run the sodium thiosulfate from the burette until you get a pale brown color in the...

    And then run the sodium thiosulfate from the burette until you get a pale brown color in the conical flask. Which means the Iodine is liberated. As soon as u get this color add few drops of starch as a indicator. u get blue black. Then continue running the sodium from burette. Till the blue...
  7. Tazyeen K

    see usually with KI they give you sodium thiosulfate . and copper(11) sulfate. You take the...

    see usually with KI they give you sodium thiosulfate . and copper(11) sulfate. You take the copper(ii)sulphate in a conical flak with a pipette and the add KI.
  8. Tazyeen K

    Chemistry: Post your doubts here!

    ya, if you extend more then the point of intersection!!
  9. Tazyeen K

    yes they remain the same. Thats a very imp. point!

    yes they remain the same. Thats a very imp. point!
  10. Tazyeen K

    i dont know exactly which titration, but somthng to do with KI. did u go through the papers...

    i dont know exactly which titration, but somthng to do with KI. did u go through the papers. They ill tell you wat to do. Its easy u ill fine. Remember the first readin is rough. Repeat nd if the second reading u get is within 0.20 difference. Its accurate and go wit it. Also chk out some videos...
  11. Tazyeen K

    Chemistry: Post your doubts here!

    sorry, don use skype.
  12. Tazyeen K

    the mole calculations are usually easy, the normal N = c*v And taking mole ratios to find out...

    the mole calculations are usually easy, the normal N = c*v And taking mole ratios to find out no. of moles
  13. Tazyeen K

    the salts coming are Cations : manganese, chromium and barium Anions : chloride and sulphate

    the salts coming are Cations : manganese, chromium and barium Anions : chloride and sulphate
  14. Tazyeen K

    Chemistry: Post your doubts here!

    We did that paper, and well wen u do it, the temp change you get, first increases and then decreases. So when you plot and draw you get One graph that goes up and another that comes down. U then extrapolate it and you get like a upside down V. Hope u get it.
  15. Tazyeen K

    ooooh! Well i heard theres a titration, enthalpy change of combustion and salt analysis! i would...

    ooooh! Well i heard theres a titration, enthalpy change of combustion and salt analysis! i would suggest you practice mole calculations! You do know how to do titrations right??
  16. Tazyeen K

    yea

    yea
  17. Tazyeen K

    yup! me here!

    yup! me here!
  18. Tazyeen K

    Chemistry: Post your doubts here!

    Wats a chemical test?? :eek:
  19. Tazyeen K

    Tips for Chemistry Practicals (P3)

    You dont need to learn the table for the tests of ions. Its always given!
  20. Tazyeen K

    Chemistry: Post your doubts here!

    Ammonia turns damp red litmus paper blue.
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