jlemi jlemi
  • 06-02-2019
  • Chemistry
contestada

Which of the following is a physical change

A copper roof changing colors from orange to green
Sawing a piece of wood in half
Rust forming on an iron fence
Burning a piece of wood

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chingchongchicken chingchongchicken
  • 06-02-2019
Sawing a piece of wood, because all of the rest of the answers are chemical.
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