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Caustic soda, also known as sodium hydroxide (NaOH)

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Caustic soda, also known as sodium hydroxide (NaOH), is an essential chemical compound with a wide range of applications. Let’s delve into its preparation, properties, and uses:

  1. Preparation of Caustic Soda:
    • There are several methods to produce sodium hydroxide:

2text{NaCl} rightarrow 2text{Na}^+ + 2text{Cl}^-2NaCl→2Na++2Cl−

2text{Cl}^- rightarrow text{Cl}_2 + 2text{e}^-2Cl−→Cl2​+2e−

2text{Na}^+ + 2text{e}^- rightarrow 2text{Na}2Na++2e−→2Na

    • Other methods include the Nelson Diaphragm cell and Loewig’s process.
  1. Properties of Caustic Soda:
    • It is a white solid with a melting point of 591K.
    • Sodium hydroxide is stable, bitter, and has a soapy feel.
    • Highly soluble in water and moderately soluble in alcohol.
    • Strongly alkaline in nature.
  2. Caustic Soda Uses:
    • Cleansing Agent: Caustic soda is used for cleaning purposes.
    • Manufacturing of Washing Soda: It plays a role in the production of washing soda (sodium carbonate).
    • Laboratory Reagent: Sometimes, sodium hydroxide is used as a reagent in laboratories.
    • Preparation of Soda Lime: Used in the preparation of soda lime, which absorbs carbon dioxide.
    • Aluminium Extraction: Caustic soda purifies bauxite during the extraction of aluminum.

Remember that caustic soda is highly corrosive to animal and plant tissues, so proper handling and safety precautions are essential when working with it.

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kasra, kasra trading, kasra trading group, kasra group, meeting, business, Stock product, stocks, Iran stock, iran Exchenge, chemical, Iran chemical, Iran petrochemicals, petrochemicals, Iran Caustic Soda