This experiment required us to use very little apparatus and even apparatus that could be found at home.
It required a pencil, ink and filter paper.
However, what hit me was that it has a whole lot of uses. Such as testing for drugs in urine samples for athletes, find the components of a sweet and many more. Not only that, it merely requires a small amount of the item being tested. This makes it very useful and efficient.
Sadly, there is no such method for studying.
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