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Created page with "==Key Stage 3== ===Meaning=== Hydrogen Sulphide is a toxic gaseous compound with the chemical formula H<sub>2</sub>S."
==Key Stage 3==
===Meaning===
[[Hydrogen Sulphide]] is a [[toxic]] [[gas]]eous [[compound]] with the [[Chemical Formula|chemical formula]] H<sub>2</sub>S.
===Meaning===
[[Hydrogen Sulphide]] is a [[toxic]] [[gas]]eous [[compound]] with the [[Chemical Formula|chemical formula]] H<sub>2</sub>S.