Q:
What is black when you buy it, red when you use it, and gray when you throw it away?
Answer & Explanation
Answer: B) 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 grey in color.
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