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A water molecule is made up of one oxygen and two hydrogen atoms. Why is water considered a pure substance?

a. Each water molecule is identical
b. Water can be broken down by physical means
c. Water molecule are made up of different types of atoms
d. Water can be combined with other substances by physical means​


Sagot :

Answer:

A water molecule is made up of one oxygen and two hydrogen atoms. Why is water considered a pure substance?

  • b. Water can be broken down by physical means.

Explanation:

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