how did the experiment with the iron filings and sulfur compare with the experiment in which copper(ii)…

how did the experiment with the iron filings and sulfur compare with the experiment in which copper(ii) sulfate pentahydrate was heated? both resulted in gas formation. both resulted in color change. both involved chemical change. both involved physical change. one involved chemical change while the other involved physical change.

how did the experiment with the iron filings and sulfur compare with the experiment in which copper(ii) sulfate pentahydrate was heated? both resulted in gas formation. both resulted in color change. both involved chemical change. both involved physical change. one involved chemical change while the other involved physical change.

Answer

Brief Explanations:

When iron filings react with sulfur, it's a chemical reaction forming iron sulfide. Heating copper(II) sulfate pentahydrate causes it to lose water of crystallization (a chemical change) and changes in color. Both involve chemical changes.

Answer:

Both involved chemical change.