Answer to Question #202296 in Inorganic Chemistry for someone

Question #202296

Which scenarios are definite signs that a chemical reaction has occurred?

Select all that apply.


  • A piece of iron turns brown with rust.
  • Water is heated and releases a water vapor.
  • Two liquids are mixed together and release light.
  • Blue and yellow paint mix to make green paint.


(more than one answer)


1
Expert's answer
2021-06-03T05:44:35-0400

I) A piece of iron turns brown with rust.


ii) Two liquids are mixed together and release light.


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