Question

how does metals react with air? explain with the example​

Answer 1

Answer:

Explanation:

Many metals react with oxygen to form metal oxides. Potassium and sodium are soft metal which are easily cut exposing a shiny surface which changes to dull rapidly. The change from shiny to dull is called tarnishing.

Answer 2

Answer:

The component of air that metals react with is oxygen. They form a surface layer of the corresponding metallic oxide. For iron or steel, this oxide is commonly called “rust”.

Some metals, like aluminum, form a very hard, thin oxide layer, which then protects the remaining metal underneath. Other metals form a loose, flaky oxide, which falls off and exposes fresh metal to the air.

Explanation:

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