Question

why we use metals like zn, tin to prevent iron from rusting




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Answer 1

Answer:

All Metals Oxidize, But Some Metals Oxidize Faster Than Others. The reason that the galvanizing process uses zinc instead of other metals is that zinc oxidizes and experiences acid corrosion “sacrificially” to steel. ... Iron in steel and oxygen in water form ferric or ferrous oxide, also known as rust

Explanation:

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Answer 2

When iron is coated in zinc, the process is called galvanising . The zinc layer stops oxygen and water reaching the iron. Zinc is more reactive than iron, so it also acts as a sacrificial metal. ... It provides a physical barrier to oxygen and water, stopping the can rusting.

All Metals Oxidize, But Some Metals Oxidize Faster Than Others. The reason that the galvanizing process uses zinc instead of other metals is that zinc oxidizes and experiences acid corrosion “sacrificially” to steel. ... Iron in steel and oxygen in water form ferric or ferrous oxide, also known as rust.