what is an example of a physical change? having less ash than the paper that was burned to form it ice…

what is an example of a physical change? having less ash than the paper that was burned to form it ice forming and then melting back into water rust having a different identity than the iron it forms on the irreversible reaction of vinegar and baking soda

what is an example of a physical change? having less ash than the paper that was burned to form it ice forming and then melting back into water rust having a different identity than the iron it forms on the irreversible reaction of vinegar and baking soda

Answer

Brief Explanations:

A physical change is a change in the form or state of matter without a change in its chemical composition. Ice forming and melting is a change between solid and liquid states of water, which is a physical change. Burning paper is a chemical change as new substances are formed. Rusting of iron is a chemical reaction forming a new compound. The reaction between vinegar and baking - soda is a chemical reaction producing new substances.

Answer:

ice forming and then melting back into water