Okay! Some options are harder then others because of the availablity of researches. A school may choose to do the biochemistry of movement topic, but would only do so if they had the resources and/or they believed the class was capable of completing the topic.. ie, industrial chemistry would be...
the key word it 'model'. with my class, we had set up two volumetric cylinders, of different sizes; and used two pippettes, of different sizes and allocated to the cylinder to transfer water accross the cylinders.
then the class was asked to set conditions and then evaluate the model, with...
If you kept the paper, you should be able to find the corresponding dot point. To model equilibrium you needed to perform a practical. So, first you needed to describe the practical then answer the question directly.