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==Key Stage 3==
===Meaning===
[[Copper Oxide]] is a [[solid]] (at [[Room Temperature|room temperature]]) chemical [[compound]] with the [[Chemical Formula|formula]] CuO.
===About Copper Oxide===
: [[Copper Oxide]] is a [[base]].
: [[Copper Oxide]] [[Chemical Reaction|reacts]] with [[acid]]s to produce a [[Copper]] [[salt]] and [[water]].
:: [[Hydrochloric Acid]] + [[Copper Oxide]] → [[Copper Chloride]] + [[Water]]
:: [[Sulphuric Acid]] + [[Copper Oxide]] → [[Copper Sulphate]] + [[Water]]
:: [[Nitric Acid]] + [[Copper Oxide]] → [[Copper Nitrate]] + [[Water]]
==Key Stage 4==
===Meaning===
[[Copper Oxide]] is a [[solid]] ([[STP]]) chemical [[compound]].
===About Copper Oxide===
: [[Copper Oxide]] may have the following [[Chemical Formula|formulae]]:
:*Cu<sub>2</sub>O and is known as [[Copper (I) Oxide]].
:*CuO and is known as [[Copper (II) Oxide]].
: [[Copper Oxide]] is a [[base]].
: [[Copper Oxide]] is held together by [[Ionic Bond|ionic bonds]].
: [[Copper Oxide]] has a [[Giant Ionic Structure|giant ionic structure]].
: [[Copper Oxide]] [[Chemical Reaction|reacts]] with [[acid]]s to produce a [[Copper]] [[salt]] and [[water]].
:: [[Hydrochloric Acid]] + [[Copper Oxide]] → [[Copper Chloride]] + [[Water]]
:: [[Sulphuric Acid]] + [[Copper Oxide]] → [[Copper Sulphate]] + [[Water]]
:: [[Nitric Acid]] + [[Copper Oxide]] → [[Copper Nitrate]] + [[Water]]