Help Card Written 1_1BQ10

a) This question depends on you knowing what colour potassium permanganate is and as you have completed this experiment in class, you may recall what the colour change is.

c) Normally for this sort of question, we would be thinking that the reaction would be too fast, however at room temperature this would not be the case. In the experiment you observe a colour change – why might this be difficult to get consistent between experiments?

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