it is a Chemical- corrossion processes cause electrochemical changes
mohamed ihab abdel hamid
chemical
Corrosion is a chemical change
Corroding
Chemical
its a physical change
If you meant to ask, "Is stretching copper into wire a physical or chemical change", it's a physical change.
Yes, it is. You aren't altering the chemical composition at all - it's still copper - you are merely changing its shape.
If you meant to ask, "Is stretching copper into wire a physical or chemical change", it's a physical change.
Copper sulfate is a substance, not a change. It can undergo physical and chemical changes.
It is a physical change since...well...no other chemicals are involved...copper is still copper.
All except the corroding of iron do NOT change the substance involved.
Corroding a substance would be a chemical change because it alters the composition of the material being corroded.