Answers About Chemistry: Revision history

Jump to navigation Jump to search

Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

19 September 2026

  • curprev 16:0816:08, 19 September 2026 FranziskaDyy talk contribs 630 bytes +630 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..."