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PLS HELP!! I will make brainliest!!

Which process is an example of a chemical reaction?

a. an iron nail rusting
b. bath water cooling while you take a bath
c. a piece of metal being heated until it expands
d. a glass window breaking when hit with a baseball​


Sagot :

Answer:

Rusting!

Explanation:

Rusting is a chemical reaction because it is the process of oxidation of a metal.  

Answer:

rusting

Explanation: