Question

please help!!
Production of an odor is an indicator of

physical change.
chemical change.
phase change.
nuclear change.

Answer 1

I would say chemical change but I'm not entirely sure. I hope this helps!

Answer 2

Physical change: does cutting a piece of paper or smashing a rock in half with a hammer produce an odor (that wasn't already there)?

Phase change: does melting water ice, or boiling water produce an odor?

As far as nuclear change, I'm not exactly sure whether or not that produces an odor.

I can tell you with certainty though that the production of an odor is indicative of a chemical change

Answer 3

okay thanks so much that did help

Answer 4

Chem