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  1. Sodium carbonate, Na 2 C O 3, (also known as washing soda, soda ash and soda crystals) is the inorganic compound with the formula Na 2 CO 3 and its various hydrates. All forms are white, odourless, water-soluble salts that yield moderately alkaline solutions in water.

  2. Sodium percarbonate is a chemical substance with formula Na 2 H 3 CO 6.It is an adduct of sodium carbonate ("soda ash" or "washing soda") and hydrogen peroxide (that is, a perhydrate) whose formula is more properly written as 2 Na

  3. Le carbonate de sodium entre dans la composition du Caffenol, un révélateur film noir et blanc que l'on peut aisément préparer chez soi [18]. Le carbonate de sodium est aussi utilisé dans le processus de fabrication de la nitroglycérine (plus précisément dans le lavage de celle-ci). Histoire

  4. Copper(II) carbonate is a blue-green solid. It is made when copper is in air for a long time and turns green. The other part of that coating is copper(II) hydroxide. It dissolves in acids to make carbon dioxide and a copper salt. It breaks down when heated to make carbon dioxide and copper(II) oxide. Preparation

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