Galvanization is a method of protecting iron from rusting by coating it with a thin layer of?
Galvanization is a method of protecting iron from rusting by coating it with a thin layer of? Correct Answer Zinc
The correct answer is Zinc.
Key Points
Galvanization
- The process of putting a protective zinc coating to iron to prevent rusting is known as galvanization.
- It extends the life of iron parts by establishing a membrane between the metal and the air, which prevents iron oxide from developing on the steel layer.
- Galvanization also provides greater corrosion protection to parts that are exposed to air.
- Galvanizing protects against rust and corrosion in several ways:
- It acts as a barrier, preventing corrosive chemicals from reaching the iron beneath.
- The zinc acts as a sacrificial anode, meaning that even if the coating is damaged, the exposed steel is still protected by the zinc that remains on it.
- The zinc surface reacts with the environment to generate a dense, adhering patina that is impervious to moisture.
Explanation:
- Galvanization is a process in which zinc is coated on iron.
- Zinc act as a barrier and prevents iron's direct contact with air.
Thus, the correct answer to this question is Zinc.
Additional Information
Corrosion:
- Corrosion is the oxidation-induced deterioration of certain materials, both metals, and non-metals.
- When a substance is exposed to air or certain chemicals, it can corrode.
- It can occur on different surfaces of substances like wood, alloys, metal, etc.
- Degradation is a type of corrosion that can occur in materials such as polymers and ceramics.
- Corrosion reduces the durability of these substances.
Rusting:
- The oxidation of iron in the presence of air and moisture is known as rusting.
- It is an example of corrosion.
- It is a chemical process that leads to the formation of Rust.
- Rust is an iron oxide, a reddish-brown oxide that forms when iron and oxygen react in the presence of water or air moisture.
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Feb 20, 2025