The metals except ________ exist in nature in the form of their minerals or ores
a) Gold b) Silver c) Copper d) Iron
a) Gold b) Silver c) Copper d) Iron
a) Oxides b) Hydroxides c) Carbonates d) Peroxides
a) Homogeneous solutions b) Heterogeneous solutions c) Neither homogeneous nor heterogeneous d) Both homogeneous and heterogeneous solutions
a) Stress corrosion b) Inter granular corrosion c) Water line corrosion d) Pitting corrosion
a) Dry corrosion b) Wet corrosion c) Pitting corrosion d) Water line corrosion
a) Concentration cell corrosion b) Oxidation corrosion c) Liquid metal corrosion d) Corrosion by other gases