Respuesta :
Well if there is:
1) Color change
2) Temperature change
3)Light emission
4)Gas Production
It means that a chemical reaction has occurred.
1) Color change
2) Temperature change
3)Light emission
4)Gas Production
It means that a chemical reaction has occurred.
Answer:
The zinc appeared to break down, and a new substance, a gas appeared to have formed.
Explanation:
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