Question

1. which of the following is an example of a physical change? * 10 points burning paper iron rusting chopping wood with an ax metal chain rusting

Explanation:

A physical change is a change in which the form or appearance of matter changes, but not its chemical composition. Chopping wood with an ax only changes the physical shape and size of the wood. Rusting of iron and metal chain rusting are chemical changes due to oxidation, and burning paper is a chemical change as it involves a reaction with oxygen to form new substances.

Answer:

B. chopping wood with an ax