asked 195k views
5 votes
Which substance can not be decomposed by a chemical change?

(1) ammonia (3) propanol
(2) copper (4) water

1 Answer

3 votes
The answer is (2) Copper. Because copper is consist of atom. If it is decomposed, the atom will be changed. While chemical change is just the break down and form of chemical bonds between atoms. 
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User Whatsinthename
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