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Qu'est-ce (qui) est caustic soda - définition

CHEMICAL COMPOUND

Caustic soda; NaOH; Sodium Hydroxide; Soda lye; Naoh; Sodium Hydrate; E524; Sodium hydrate; Caustic Soda; Manufacture of Sodium hydroxide by Nelson's process; Uses of Sodium hydroxide; Uses of sodium hydroxide; Nelson's process; Sodium-hydroxide; Na(OH); HNaO; Sodium hydrote; Sodium hydroxide solution; Natrium hydroxide

caustic soda

¦ noun sodium hydroxide.

caustic soda

Caustic soda is a powerful chemical substance used to make strong soaps and clean drains.

N-UNCOUNT

sodium hydroxide

¦ noun a strongly alkaline white deliquescent compound used in many industrial processes. [NaOH.]

Wikipédia

Sodium hydroxide

Sodium hydroxide, also known as lye and caustic soda, is an inorganic compound with the formula NaOH. It is a white solid ionic compound consisting of sodium cations Na⁺ and hydroxide anions OH⁻.

Sodium hydroxide is a highly corrosive base and alkali that decomposes proteins at ordinary ambient temperatures and may cause severe chemical burns. It is highly soluble in water, and readily absorbs moisture and carbon dioxide from the air. It forms a series of hydrates NaOH·nH₂O. The monohydrate NaOH·H₂O crystallizes from water solutions between 12.3 and 61.8 °C. The commercially available "sodium hydroxide" is often this monohydrate, and published data may refer to it instead of the anhydrous compound.

As one of the simplest hydroxides, sodium hydroxide is frequently used alongside neutral water and acidic hydrochloric acid to demonstrate the pH scale to chemistry students.

Sodium hydroxide is used in many industries: in the making of wood pulp and paper, textiles, drinking water, soaps and detergents, and as a drain cleaner. Worldwide production in 2004 was approximately 60 million tons, while demand was 51 million tons.

https://en.wikipedia.org/wiki/Sodium hydroxide

Exemples du corpus de texte pour caustic soda

1. Philip McHugh threatened to poison food on supermarket shelves with caustic soda before switching to bomb threats.

2. The man‘s body had been dissolved in caustic soda and the girls may have been buried alive.

3. It maintains that the composition of the ‘chemical slops‘; gasoline, spent caustic soda and water, is a normal by–product from the cleaning of gasoline blendstock cargo.

4. First he wrote a series of letters last May to a Tesco call centre in Dundee threatening to contaminate food with caustic soda unless he was paid 100,000.

5. A schoolgirl was left fighting for her life after she was gang–raped and then had caustic soda poured over her body to destroy DNA evidence.