How many uses could you find for a cup of flour?
I’ll start then – I limited myself to ten minutes.
I can use it in any number of food items – pancakes, cakes, breads, gravies, etc (could probably name a few thousand).
Make glue – by mixing with boiling water and a little salt, for sticking almost anything together, or as a matrix binder in a building material (eg paper mache, or fibreboard), or with coloring agents as a paint.
Make a bomb, by having a small charge to disperse it, then at the instant that it reached an appropriate distribution igniting it to create a fuel-air explosion (bakeries can be dangerous places).
Use it as makeup, as a powder – to give a whitish complexion.
Put it in a fuel tank to disable an engine.
Use it as a line marker for a sporting event.
Make a very moist paste to spread on the floor to create a trap for someone you wish to take off their feet; or use as a short term lubricant in any number of other applications.
Mix with pool chlorine powder (or similar strong oxidiser) to make a delayed action incendiary.