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==Key Stage 3==
===Meaning===
[[Potassium Hydroxide]] is a [[solid]] (at [[Room Temperature|room temperature]]) chemical [[compound]] with the [[Chemical Formula|formula]] KOH.
===About Potassium Hydroxide===
: [[Potassium Hydroxide]] is a [[base]].
: When [[Potassium Hydroxide]] is [[dissolve]]d in [[water]] it is an [[alkali]].
: [[Potassium Hydroxide]] [[Chemical Reaction|reacts]] with [[acid]]s to produce a [[Potassium]] [[salt]]:
::[[Hydrochloric Acid]] + [[Potassium Hydroxide]] → [[Potassium Chloride]] + [[Water]]
::[[Sulphuric Acid]] + [[Potassium Hydroxide]] → [[Potassium Sulphate]] + [[Water]]
::[[Nitric Acid]] + [[Potassium Hydroxide]] → [[Potassium Nitrate]] + [[Water]]
==Key Stage 4==
===Meaning===
[[Potassium Hydroxide]] is a [[solid]] ([[STP]]) chemical [[compound]] with the [[Chemical Formula|formula]] KOH.
===About Potassium Hydroxide===
: [[Potassium Hydroxide]] is a [[base]].
: [[Aqueous]] [[Potassium Hydroxide]] is an [[alkali]].
: [[Potassium Hydroxide]] is held together by [[Ionic Bond|ionic bonds]].
: [[Potassium Hydroxide]] has a [[Giant Ionic Structure|giant ionic structure]].
: [[Potassium Hydroxide]] [[Chemical Reaction|reacts]] with [[acid]]s to produce a [[Potassium]] [[salt]]:
::[[Hydrochloric Acid]] + [[Potassium Hydroxide]] → [[Potassium Chloride]] + [[Water]]
::HCl + KOH → KCl + H<sub>2</sub>O
::[[Sulphuric Acid]] + [[Potassium Hydroxide]] → [[Potassium Sulphate]] + [[Water]]
:: H<sub>2</sub>SO<sub>4</sub> + 2KOH → K<sub>2</sub>SO<sub>4</sub> + 2H<sub>2</sub>O
::[[Nitric Acid]] + [[Potassium Hydroxide]] → [[Potassium Nitrate]] + [[Water]]
::HNO<sub>3</sub> + KOH → KNO<sub>3</sub> + H<sub>2</sub>O