what is the nature of oxide film, formed on the ferrous metal due to reaction with atmosphere?

Related MCQs

• what is nature of oxide film formed on the aluminium and copper metal due to reaction with atmosphere
•                        is the phenomenon in which a metal or an alloy exibits higher corrosion resistabce than expected from its position in the electrochemical series by forming protective, thin, nonporous oxide film on the surface
• corrosion inhibitors are the chemicals that react with the metal surface, gets absorb and form a thin film on metal . This statement is
• the corrosion which occurs due to chemical reaction between metal and atmospheric gases is known as               
• destruction of metal through unwanted or unintentional chemical or electrochemical reaction is known as                       
• A metal is said to be--------- worked, if it is mechanically processed below the crystallization temperature of the metal.
• dissolution of metal as corressponding metal ions with liberatoin of electrons is known as
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• in galvanic corrosion, as the area of anode metal decreases with respect to cathode area of metal, the corrosion rate            
• in hot dipping method of metal coating, which metal is coated on the steel to protect from corrosion ?