No - it's a chemical change. The acid in the vinegar eats away the outer layer of grime and a microscopically thin layer of metal - revealing the clean coin underneath.
Physical change
It is a chemical reaction and this is the correct way to spell penny!
physical- there's no chemical change.
Physical
It is a chemical change
If baking soda reacts with vinegar, it is a chemical change.
its a chemical change because you cannot reverse the process and just have milk and vinegar separate
its a chemical change
CHEMICAL
This is a physical change because any reaction occur.
Physical Taylor:)
yes, the penny will be shiny if you cleaned it with vinegar