Identify the substance which doesn't continue to burn in an atmosphere

1.	Identify the substance which doesn't continue to burn in an atmosphere of H_(2).
Answer» Na Mg K W Solution :Since sodium, magnesiumand potassium are active metals, they CATCH FIRE when they REACT with oxygen and continue to in an ATMOSPHERE of `N_(2)`, while tungsten (W) which burns in presence of oxygen, doesn't continue to burn in an inert atmosphere of `N_(2)`.

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