Question

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Properties and uses of caustic soda.​

Answer 1

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Properties and uses of caustic soda.

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Sodium hydroxide (NaOH), also known as caustic soda or lye, is a highly versatile substance used in a variety of manufacturing processes. Sodium hydroxide is a co-product of chlorine production.

$\sf \orange{Uses \: of \: caustic \: soda \: - }$

★ Sodium Hydroxide in Cleaning & Disinfectant Products

Sodium hydroxide is used to manufacture soaps and a variety of detergents used in homes and commercial applications. Chlorine bleach is produced by combining chlorine and sodium hydroxide. Drain cleaners that contain sodium hydroxide convert fats and grease that can clog pipes into soap, which dissolves in water.

★ Sodium Hydroxide in Pharmaceuticals & Medicine

Sodium hydroxide is used to help manufacture a variety of medicines and pharmaceutical products, from common pain relievers like aspirin, to anticoagulants that can help to prevent blood clots, to cholesterol-reducing medications.

★ Sodium Hydroxide in Energy

In the energy sector, sodium hydroxide is used in fuel cell production. Fuel cells work like batteries to cleanly and efficiently produce electricity for a range of applications, including transportation; materials handling; and stationary, portable and emergency backup power applications. Epoxy resins, manufactured with sodium hydroxide, are used in wind turbines.

★ Sodium Hydroxide in Water Treatment

Municipal water treatment facilities use sodium hydroxide to control water acidity and to help remove heavy metals from water. Sodium hydroxide is also used to produce sodium hypochlorite, a water disinfectant.

★ Sodium Hydroxide in Food Production

Sodium hydroxide is used in several food processing applications, such as curing foods like olives or helping to brown Bavarian-style pretzels, giving them their characteristic crunch. Sodium hydroxide is used to remove skins from tomatoes, potatoes and other fruits and vegetables for canning and also as an ingredient in food preservatives that help prevent mold and bacteria from growing in food.

★ Sodium Hydroxide in Other Industrial Manufacturing Uses

Sodium hydroxide is used in many other industrial and manufacturing processes. It is used to manufacture rayon, spandex, explosives, epoxy resins, paints, glass and ceramics. It is also used in the textile industry to make dyes, process cotton fabric and in laundering and bleaching, as well as in metal cleaning and processing, oxide coating, electroplating and electrolytic extracting.

$\sf \orange{Properties \: of \: caustic \: soda \: - }$

• It is a white solid which has a melting point of 591K.

• It is a stable compound.

• NaOH is bitter and has a soapy feel to it.

• It is highly soluble in water and moderately soluble in alcohol.

• Sodium hydroxide is strongly alkaline in nature.

Answer 2

Properties of Caustic Soda

• It is a white solid which has a melting point of 591K.
• It is a stable compound.
• NaOH is bitter and has a soapy feel to it.
• It is highly soluble in water and moderately soluble in alcohol.
• Sodium hydroxide is strongly alkaline in nature.