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Which substance can not be broken down by a chemical change ?

1) Na(s)
2) NaCl(s)
3) NaCl(aq)
4) H2O(l)

User Dainius
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1 Answer

7 votes

Answer:

Na(s)

Step-by-step explanation:

irrespective of it's state, Sodium is an element and elements consists of only one kind of atom and cannot be broken down into a simpler type of matter by either physical or chemical means.

User Niko Sams
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