Question

Which of the following will result in a chemical change?

A. Melting ice to obtain water
B. Drying wood in a shed
C. Burning coal in the furnace
D. Evaporating alcohol into vapor

Answer 1

C. Burning coal in the furnace (this is an example of combustion).

Step-by-step explanation:

Chemical changes are known for producing new substances; meaning that burning an item, cooking produce, the rusting of a metal, and a mixture of two or more elements can all be considered chemical changes.