Asked by Quinn
Which scenarios are definite signs that a chemical reaction has occurred?
_(Select all that apply)_
Water is heated and releases a gas.
Blue and yellow paint mix to make green paint.
A piece of iron begins to rust.
Two liquids are mixed together and release a light.
A and C?
_(Select all that apply)_
Water is heated and releases a gas.
Blue and yellow paint mix to make green paint.
A piece of iron begins to rust.
Two liquids are mixed together and release a light.
A and C?
Answers
Answered by
DrBob222
yes
Answered by
Quinn
Thank you! :)
Answered by
R_scott
umm ... boiling water releases a gas , no chemical reaction
... dissolved gases come out of solution , then the water goes to steam
a release of light indicates an energy change
... powered by a reaction
... dissolved gases come out of solution , then the water goes to steam
a release of light indicates an energy change
... powered by a reaction
Answered by
DrBob222
I interpreted A this way. A chemical reaction produces heat which boils the water enough to produce steam. The production of heat shows the presence of a chemical reaction.
I agree with D as yes.
I agree with D as yes.
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