Asked by Jenny

Must new substances be formed when you observe a chemical property? My answer is no because you are just observing. There is no reaction taking place. I don't know if my answer is correct.
Answered by Jenny
Oh thank you anyway
Answered by Scott
if there is no reaction...what are you observing?
Answered by John1
Physical changes vs. Chemical Changes

Chemical changes - a reaction does occur. Changing Hydrogen and Oxygen into water.

Physical Change would be changing water into ice. It is still water just in a different form.
Answered by Scott
the question specifies "chemical property"
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