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[Chemical Knowledge]：Properties and uses of soda ash

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Soda ash, also known as sodium carbonate, is a very important inorganic chemical raw material, widely used in the field of chemical production. The following is a detailed description of the properties and uses of soda ash.

1. the nature of soda ash

soda ash is a white powder with strong alkalinity. It is readily soluble in water, and its aqueous solution is alkaline. Soda ash is also hygroscopic and can absorb moisture in the air. At high temperatures, soda ash decomposes into sodium carbonate and sodium oxide. In addition, soda ash can also react with acids to form salts and carbon dioxide.

2. the use of soda ash

1. Glass production: Soda ash plays a very important role in glass production. The main components of glass are silicon dioxide, sodium oxide and calcium oxide, of which sodium oxide comes from soda ash.
2. Soap and detergent production: Soda ash can be used to make soaps and detergents. It reacts with grease to generate salts that are easy to clean and have strong decontamination capabilities.
3. Food industry: In the food industry, soda ash can be used as a food additive to adjust the pH of food, and as a leavening agent for baked goods.
4. chemical production: soda ash is used in many chemical production, such as sodium hydroxide, sodium bicarbonate, sodium silicate and other chemical products.
5. Metallurgical industry: In the metallurgical industry, soda ash can be used as a flux to extract metals.

In general, soda ash plays a very important role in the field of chemical production raw materials, and is widely used in glass, soap, detergent, food, chemical and metallurgical industries.

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