Black Red White Brain Teazer Challenge Question

Riddle: What's black when you get it, red when you use it, and white when you're all through with it?

Answer: Charcoal.

Source: https://www.riddles.com/1547

What's black when you get it, red when you use it, and white when you're all through with it? — Black Red White Brain Teazer Challenge Question by Anonymous v1.

Riddle: What's black when you get it, red when you use it, and white when you're all through with it? Answer: Charcoal. — by Anonymous v2.