Chem 132: The statement “The total mass of materials is not affected by a chemical change in those materials” is called a(n)

 

Question:

The statement “The total mass of materials is not affected by a chemical change in those materials” is called a(n)

Select one:
a. natural law
b. theory
c. experiment
d. measurement
e. observation

 

Answer

a. Natural Law

 

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