Mg, K, Zn, H, Ag, Cu, Al, Fe Chose from the above A metal that does not directly combine with oxygen (even on heating) to form the metal oxide.
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Solution
The reactivity series of metals, also known as the activity series, refers to the arrangement of metals in the descending order of their reactivities. Hence in a chemical reaction, a more reactive metal will be able to displace a less reactive metal easily.
Among the given metals, Silver (Ag ) metal is a very less reactive metal placed at the bottom of the reactivity series thereforeit does not directly combine with oxygen to form its oxide.
