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1 October 2026

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16 September 2026

  • curprev 14:5714:57, 16 September 2026 RuebenBeamon95 talk contribs 672 bytes +672 Created page with "<br>Nitrogen and oxygen. The atmosphere ( air) is composed of a mixture of gases . viz., Nitrogen ; 79 % Oxygen ; 20 % The remaining 1% contains, water ,carbon dio<br>Read more<br><br><br><br><br><br><br><br><br><br>Chemistry<br><br><br><br><br><br><br><br><br><br>What is the valency and formula of oxalate?<br><br><br>Asked by Anonymous<br><br><br><br>Valency is '2'<br><br>Formula is ' ^(-)O(O=)C-C(=O)O^(-)<br><br>NB it is similar to Ethanoic(Acetic) Acid, but has an aci..."
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