The constituent of air necessary in the rusting process are

  • A O2 and H2O
  • B Ar and CO2
  • C CO2 and H2O
  • D O2 and CO2
jamb 2017chemistry

The correct answer is A. O2 and H2O

Rust is an iron oxide, a usually red oxide formed by the redox reaction of iron and oxygen in the presence of water or air moisture.

Previous question Next question