WAEC - Chemistry (2018 - No. 20)
Stainless steel is an alloy comprising of
Fe and C
Fe and Ni
Fe, C and Ni
Fe, C and Al
Explication
Stainless steel comprises iron (Fe), chromium (Cr), manganese (Mn), silicon (Si), carbon (C) and, in many cases, significant amounts of nickel (Ni) and molybdenum (Mo).