Which type of oxide is obtained when
alkali metals are heated at high
temperature in excess of oxygen ?
(a) Monoxide (b) Peroxide
(c) Superoxide (d) Dioxide
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Reactions with Group 1 Elements
For example, with careful control of oxygen, the oxide M2O (where M represents any alkali metal) can be formed with any of the alkali metals. When heated, lithium, sodium, potassium, rubidium, and cesium ignite through combustion reactions with oxygen.
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