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==Key Stage 3=====Meaning===[[Lithium Oxide]] is a [[solid]] (at [[Room Temperature|room temperature]]) chemical [[compound]] with the [[Chemical Formula|formula]] Li<sub>2</sub>O. ===About Lithium Oxide===: [[Lithium Oxide]] is a [[base]].: [[Lithium Oxide]] [[Chemical Reaction|reacts]] with [[acid]]s to produce a [[Lithium]] [[salt]] and [[water]].:: [[Hydrochloric Acid]] + [[Lithium Oxide]] → [[Lithium Chloride]] + [[Water]]:: [[Sulphuric Acid]] + [[Lithium Oxide]] → [[Lithium Sulphate]] + [[Water]]:: [[Nitric Acid]] + [[Lithium Oxide]] → [[Lithium Nitrate]] + [[Water]]==Key Stage 4=====Meaning===[[Lithium Oxide]] is a [[solid]] ([[STP]]) chemical [[compound]] with the [[Chemical Formula|formula]] Li<sub>2</sub>O.===About Lithium Oxide===: [[Lithium Oxide]] is a [[base]].: [[Lithium Oxide]] is held together by [[Ionic Bond|ionic bonds]].: [[Lithium Oxide]] has a [[Giant Ionic Structure|giant ionic structure]].: [[Lithium Oxide]] [[Chemical Reaction|reacts]] with [[acid]]s to produce a [[Lithium]] [[salt]] and [[water]].:: [[Hydrochloric Acid]] + [[Lithium Oxide]] → [[Lithium Chloride]] + [[Water]]:: 2HCl + Li<sub>2</sub>O → 2LiCl + H<sub>2</sub>O:: [[Sulphuric Acid]] + [[Lithium Oxide]] → [[Lithium Sulphate]] + [[Water]]:: H<sub>2</sub>SO<sub>4</sub> + Li<sub>2</sub>O → Li<sub>2</sub>SO<sub>4</sub> + H<sub>2</sub>O:: [[Nitric Acid]] + [[Lithium Oxide]] → [[Lithium Nitrate]] + [[Water]]:: 2HNO<sub>3</sub> + Li<sub>2</sub>O → 2LiNO<sub>3</sub> + H<sub>2</sub>O