Chapter 15, Problem 14STP

To determine

The changes that takes place in the photo.

Explanation of Solution

Introduction:

When matter undergoes some process, then two types of change can take place. The first one is physical change and the second one is chemical change. In the physical change, only shape and size changes but color, properties are changes associated with the chemical changes.

The burning of wood produces carbon dioxide and water. The material in the wood undergoes the chemical change because carbon dioxide and water released in the burning and remaining ash have different chemical properties than the wood.

Conclusion:

Thus, the chemical change takes place.