Question

When an electric current is passed through water during the process of electrolysis, two gases are formed. One gas has a boiling point of -183 degrees celsius and the other has a boiling point of -253 degrees celsius. Has a physical change or a chemical change occurred? Explain.

Answer 1

This is the way look at it. Physical changes can be taken apart (Even the smallest pieces such as sand and salt,) but chemical changes are mixed and can not be taken apart (such as milk). You can't separate the ingredients of milk. You Which one seems more accurate? Hope this helps!

Answer 2

*This is the way I look at it.* Sorry about the missing word. :D