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[Chemical Knowledge]：Properties and Uses of Sodium Peroxide

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Sodium peroxide is an inorganic compound with the chemical formula of Na2O2, which is an important material in the field of chemical production raw materials. It has strong oxidizing and alkaline, can be used in bleaching, oxidation, deoxidation and other chemical reactions. This article will detail the properties and uses of sodium peroxide.

1. The properties of sodium peroxide

1. Physical properties
Sodium peroxide is a white or light yellow solid powder with high density and melting point. It is insoluble in water, but can react with water to produce sodium hydroxide and oxygen.

2. chemical properties
sodium peroxide has strong oxidation, can occur with many substances redox reaction. It can react with acids, non-metallic oxides, metal oxides, etc. to generate corresponding salts and oxygen. In addition, sodium peroxide is also alkaline and can react with acid to form the corresponding salt and water.

2. the use of sodium peroxide

1 bleach
sodium peroxide can be used as bleaching agent, used in textile, paper and other industries in the bleaching process. It can oxidize colored substances to colorless substances through oxidation, so as to achieve the effect of bleaching.

2. Oxidant
Sodium peroxide can be used as an oxidant for some chemical reactions. For example, it can be used to prepare certain metal oxides, salts, and the like.

3. oxygen supply agent
sodium peroxide can react with carbon dioxide to generate sodium carbonate and oxygen, so it can be used as an oxygen supply agent for breathing masks, submarines and other places that need oxygen.

4. disinfectant
sodium peroxide has strong oxidation, can kill bacteria, viruses and other microorganisms, so it can be used as a disinfectant, used in medical, health and other fields of disinfection process.

In short, sodium peroxide, as an important raw material for chemical production, has a wide range of uses. It is necessary to pay attention to safety during use and avoid contact with flammable and explosive substances to avoid safety accidents such as fire or explosion.

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