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  • File:Potassium dichromate.jpg
    #REDIRECT [[File:Potassium dichromate Zts16.jpg]]
    (3,072 × 2,304 (2.22 MB)) - 19:16, 23 May 2019
  • File:Sodium dichromate solution.jpg
    A solution of sodium dichromate in acid conditions. The foaming is due to carbon dioxide which evolved beca
    (3,072 × 2,304 (2.32 MB)) - 15:24, 23 May 2019