Question

Rust is an example of what type of change?

Answer 1

`".......of chemical change......"`

Explanation:

`"Chemical change"` is characterized by the formation of new substances, and the making and breaking of strong chemical bonds.

`Fe(s) + 3/2O_2(g) rarr Fe_2O_3(s)`

See this old answer for the significance of rust in ship-building, and steel structures......