Question

which of these are examples of physical changes? check all that apply. burning wood freezing water cutting paper iron rusting mixing water and acetone

Explanation:

A physical change is a change in which the form or appearance of matter changes, but not its chemical composition. Freezing water is a change of state from liquid to solid without altering the chemical nature of water. Cutting paper only changes its physical shape. Mixing water and acetone is a physical combination where no new chemical substances are formed. Burning wood is a chemical reaction as new substances like carbon - dioxide and ash are formed. Iron rusting is a chemical change as iron reacts with oxygen to form iron oxide.

Answer:

B. freezing water, C. cutting paper, E. mixing water and acetone