Ca(OH)2 + CO3 → CaCO3 + H2O2

This is an oxidation-reduction (redox) reaction:

CVI + 2 e- → CIV (reduction)

2 O-II - 2 e- → 2 O-I (oxidation)

Reactants:

  • Ca(OH)2 – Calcium hydroxide source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
    • Other names: {{ubl source: wikipedia, accessed: 2019-09-28, Slaked lime source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Calcium hydrate source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
    • Appearance: White powder source: wikipedia, accessed: 2019-09-28; Colourless crystals or white powder source: ICSC, accessed: 2019-09-04; White, odorless powder. [Note: Readily absorbs CO2 from the air to form calcium carbonate.] source: NIOSH NPG, accessed: 2019-09-02
  • CO3
    • Names: Carbon trioxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, CO3 source: wikidata, accessed: 2019-09-02

Products:

  • CaCO3 – Calcium carbonate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04
    • Other names: Calcite; aragonite; chalk; Lime (material); Limestone; marble; oyster; pearl; source: wikipedia, accessed: 2019-09-27, Calcium salt of carbonic acid source: wikidata, accessed: 2019-09-02, Children's Mylanta Upset Stomach Relief source: wikidata, accessed: 2019-09-02
    • Appearance: Fine white powder; chalky taste source: wikipedia, accessed: 2019-09-27; White powder or pellets source: ICSC, accessed: 2019-09-04
  • H2O2 – Hydrogen peroxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: NIOSH NPG, accessed: 2019-09-02
    • Other names: Dioxidane source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Oxidanyl source: wikipedia, accessed: 2019-09-27, Perhydroxic acid source: wikipedia, accessed: 2019-09-27
    • Appearance: Very light blue color; colorless in solution source: wikipedia, accessed: 2019-09-27; Colourless liquid source: ICSC, accessed: 2019-09-04; Colorless liquid with a slightly sharp odor. [Note: The pure compound is a crystalline solid below 12°F. Often used in an aqueous solution.] source: NIOSH NPG, accessed: 2019-09-02