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  1. S

    how was chem p11...

    question 31 was B i think....because H2SO4 is not a acid with C2H5OH...its a dehydrating agent, so it must have been correct, for the pressure one...its to reduces expenses koz a very high pressure is extremely expensive....the one with X^-, Y^- and Z^-...Y^- was definately the weakest.. im Z^-...
  2. S

    how was chem p11...

    i would tell you wat i got but now i cant
  3. S

    how was chem p11...

    which question was that :?
  4. S

    how was chem p11...

    it should be above 10, koz im sure Mg0 is 9-11 when it reacts with water, and solubility increases down the group therefore CaO will have a higher pH
  5. S

    how was chem p11...

    exactly!
  6. S

    how was chem p11...

    doesnt matter how you get the answer, as long as you get it :)
  7. S

    how was chem p11...

    <<<<<COMMENT REMOVED>>>>>>>>>
  8. S

    how was chem p11...

    i also got 30...
  9. S

    Chem P11

    sorry, just trying to be positive
  10. S

    Chem P11

    nah, i think varient 11 was easier than the others, there were easily 10 past paper questions if not more
  11. S

    Chem P11

    threshold will be about 32-33, a whole lot of past paper questions in there
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