Question

It is black in colour . If we burn it , it goes red and if we had brunt it goes white.

Answer 1

Answer:

Charcoal

Explanation:

It is Charcoal which is black when we buy it or when not being used. It gets red in appearance when put in use means to say when burning. And eventually when it's been consumed by fire or after getting burned out or used up, changes into ashes which look whitish grey in color.