Reaction: Magnesium plus hydrochloric acid.
Properties of the Original Substances: A small piece of silvery metal (magnesium) and a container of clear hydrochloric acid.
Properties of Products: Small bubbles are seen accumulating on the metal strip.
Reaction 1: Was this a chemical or physical reaction? How do you know?
1 answer
This was a chemical reaction. We can determine this because a new substance was formed as indicated by the appearance of bubbles.