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[Chemical Knowledge]：The difference between caustic soda and soda ash: understand the alkaline substances around you

Read： 984 Time：18months ago Source：Transform the World with Simplicity

In daily life, we often hear the two words caustic soda and soda ash, which are common alkaline substances. Although they are all called "bases", in fact they have some differences in chemical properties, preparation methods and application fields.

let us know about caustic soda. Caustic soda, chemical name is sodium hydroxide, is an inorganic compound, chemical formula is NaOH. It is a white solid, easy to absorb moisture, can quickly absorb moisture and carbon dioxide in the air. When caustic soda is dissolved in water, it will generate a strong alkaline solution, which can react with acid to produce a neutralization reaction. Therefore, caustic soda is often used as a neutralizing agent, degreasing agent and cleaning agent.

Compared with caustic soda, the chemical name of soda is sodium bicarbonate, and the chemical formula is Na2CO3. Soda ash is colorless crystal or white particles, soluble in water. Soda ash solution taste bitter, weak alkaline, also known as "soda". Unlike caustic soda, soda ash cannot react directly with acids to neutralize, but can react with acids to generate carbonates, which dissolve in water to produce alkaline solutions. Soda ash is widely used in glass manufacturing, detergent production and water treatment in industry.

summary, the difference between caustic soda and soda ash is mainly reflected in the chemical composition, chemical properties and application areas. Caustic soda mainly refers to sodium hydroxide, which is strongly alkaline and can be used as a neutralizing agent and cleaning agent, while soda ash refers to sodium bicarbonate, which is weakly alkaline and is widely used in glass manufacturing and detergents.

hope that through the introduction of this article, you can better understand caustic soda and soda ash, and have a deeper understanding of these two common alkaline substances around you. When using alkaline substances, please pay attention to safety and avoid unnecessary injuries.

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