felixzerbib Posted November 30, 2015 Report Share Posted November 30, 2015 Hi, Just read an online guideline that says that chemistry IA research questions should use a chemistry-based independent variable. Unfortunately, i've just finished my IA with the title "An investigation into the neutralising properties of different antacid tablet brands" in which i take different antacid brand and determine which neutralise the most acid using a back-titration. I also explain this using the chemical equations for each base used, and i measure the initial rate of production of gas of the tablets, in order to determine which would cause the least discomfort. I'm now worried that my IA may be too "supermarket" based, and not enough in chemistry. Do you guys think this is a serious issue? Thanks. Reply Link to post Share on other sites More sharing options...
Msj Chem Posted December 1, 2015 Report Share Posted December 1, 2015 I'm afraid that no one can say for sure as the first round of IAs haven't been marked (or moderated) yet. I'm guessing that they may be quite a few of these 'comparison' investigations in the first wave of IAs and the IB will advise students to avoid them in future. But how the IB will grade these type of investigations in the first wave is anybody's guess. Reply Link to post Share on other sites More sharing options...
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