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  1. A

    CSSA Chemistry

    ppb is 1mg/1000KG so that means 1PPM=1000PPB and btw there were no pracs in the industrial option right?
  2. A

    CSSA Chemistry

    oh crap i remember doing that in class
  3. A

    CSSA Chemistry

    Dude 5 marker calculation on what
  4. A

    CSSA Chemistry

    Disadvantage would be that AAS could be used to detect only minute concentrations and would be inaccurate for detecting large amounts of trace elements. thus other methods would be used in order to gain an undersdtanding Also it would be good to mention AAS is only used for metal ions and not...
  5. A

    CSSA Chemistry

    How did you guys find the option. Did anyone do Industrial Chemistry? our school didn't even teach us half the stuff there
  7. A

    CSSA Chemistry

    i've never done such a prac at school
  8. A

    CSSA Chemistry

    Dont stress bro the marks still havvt come out yet. Just try your best for the HSC Exam
  9. A

    CSSA Chemistry

    apparantly there was a water question?! i must of skipped a page OMG !
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