You mix two liquids together, and they begin to bubble. has a chemical reaction occurred? why or why not? enter your answer in the space provided.

Yes. Bubbling is a reaction of chemical change. Example: if you put an egg and vinegar the egg has bubbles, within a few days the shell of the egg has dissolved.

A chemical reaction is when a substance (or a few substances) change into another substance. Chemical reactions are chemical transformations.

If you take a chemistry class, you'll definitely learn about chemical reactions: when one or more substances change into something else. When making beer, yeast turns the sugar into alcohol: that's a chemical reaction. When something iron rusts because of exposure to air, that's a chemical reaction. There are many types of chemical reactions, but they all involve transformations or changes. Water boiling — becoming a gas — is not a chemical reaction, since the steam is still water; the substance didn’t change.

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