Question

Which option is an example of a chemical change? A. chopping vegetables. B. folding paper. C. burning wood. D. stretching a rubber band.

Answer 1

C. burning wood is an example of a chemical change. In this process, the wood undergoes a chemical reaction that produces new substances, such as ash and gases. The other options (A, B, and D) involve physical changes, where the substance itself remains the same.