Corrosion of Metals-causes and Solutions
Corrosion of Metals-causes and Solutions: Overview
This topic explains concepts such as, Corrosion, Conditions for Corrosion, Reaction of Iron with Oxygen in Presence of Water, Reaction of Copper with Moist Air, etc.
Important Questions on Corrosion of Metals-causes and Solutions
Iron articles are galvanised.
Why is rusting not seen in every metal?
Stainless steel is used in surgical treatments.
Name the metals from which stainless steel is made.
The rusting of copper causes a green coating on its surface.
Write the chemical reaction of copper with moist air.
Which properties of chromium make it useful for electroplating on iron ? Why we cannot make the whole article with chromium ?
In stainless steel, iron is mixed with:
In addition to iron, stainless steel also contains
The slow eating up of metals layer by layer due to the reaction with moisture and oxygen is known as _____.
Oxygen is not required for corrosion to take place.
List the conditions for corrosion to take place.
Corrosion is caused by _____, moisture, vapours of chemicals in the air.
The weight of a metal generally _____ when it undergoes corrosion.
Which of the following steel galvanising techniques is used?
A. Hot-dip galvanising
B. Cold galvanising
C. Thermal mists
D. Electroplating
The application of a protective zinc coating to steel or iron to prevent corrosion is known as _____.
Which of the following corrosion types is difficult to monitor and extremely dangerous?
Which of the following means using a metal that does not corrode to cover a more corrosive metal?
Which of the following factors result in stress corrosion cracking (SCC)?
In intergranular corrosion, which of the following is referred to as precipitation of carbides at grain boundaries in stainless steel or alloy, causing the steel or alloy to be susceptible?
