Answer:
What's black when you get it, red when you use it, and white when you're all through with it?
The weapon of choice to create the biggest shock.
What is the thing which, once poured out, cannot be gathered again?
I'm white, I'm round, but not always around. Sometimes you see me, sometimes you don't.
This only turns over once you have travelled very far. What is it?
The more that there is of this, the less you see. What is it?