The rusting of steel garbage happens because the iron (Fe) in the metal combined with oxygen (O2) in the atmosphere. This is an example of:
A. chemical combination
B. chemical reaction
C. physical change
D. chemical bond
Answer:B
The rusting of steel garbage happens because the iron (Fe) in the metal combined with oxygen (O2) in the atmosphere. This is an example of:
A. chemical combination B. chemical reaction C. physical change D. chemical bond