DalilaSoga DalilaSoga
  • 05-06-2015
  • Chemistry
contestada

Which substance can not be decomposed by a chemical change?
(1) ammonia (3) propanol
(2) copper (4) water

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lulu1991
lulu1991 lulu1991
  • 25-06-2015
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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