Answer :
Potassium permanganate dye would pass through agar the fastest and travel the furthest in the shortest amount of time.
What is dye?
Dye is a component, either natural or artificial, used to give something color or to change the hue of something. It helps us in finding faults, leaks, etc.
Potassium permanganate (KMnO₄) (molecular weight = 158) can be used for fast results. It travels fastest through agar in shortest amount of time.
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