Question

How metals do reacts with oxygen?​

Answer 1

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

Explanation:

When a metal reacts with Oxygen( O2 ), it forms metal oxide is formed. Chalo ek example SE samazte hai☺️----->

For example, If a Iron nail is kept outside for some days it will get rusted. Because Air contains oxygen, moisture,etc which makes it rust. In this way, Metals react with Oxygen ( O2 )..

HOPE IT HELPS ☺️