Question

What happens when a piece of wood burns?

A. A physical change takes place.

B. A chemical change takes place.

C. The wood loses its gravity.

D. The wood loses its inertia.​

Answer 1

B. A chemical change takes place

Wood is made of fiber (cellulose) and minerals (metals). When wood is burned, oxygen and other elements in the air (mainly carbon, hydrogen and oxygen) react to form carbon dioxide that is released into the atmosphere, while the minerals turn into ashes. ... Thus the carbon is left to turn into charcoal.

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