How does sodium hydroxide react
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The reaction can be carried out in the lab by mixing aluminium powder with a concentrated solution of NaOH in a flask. The gas produced can then be captured by placing a balloon tightly over the flask. The general equation for this reaction is:. If attempting this experiment, it is important to take the necessary safety precautions. The reaction between aluminium and sodium hydroxide is extremely rapid, exothermic and caustic.
Hydrogen gas is also explosive, so immense care should be taken. The by-product that this reaction forms, sodium aluminate, is an important compound on its own and is commonly used as a source for aluminium hydroxide.
It is also utilised in water treatment, construction technology and the paper industries. Reactions involving sodium hydroxide do not stop here. Some other examples of what sodium hydroxide reacts with include, but are not limited to:. ReAgent supplies sodium hydroxide in 1kg and 25kg bags as well as a range of concentrations. Order online today or contact our friendly team for any further information. The blog on chemicals. The blog, its authors and affiliates accept no responsibility for any accident, injury or damage caused in part or directly from following the information provided on this website.
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In many universities around the world, carrying out an apprenticeship is part of the course requirements. Apprenticeships in chemical Also known as caustic soda or lye, sodium hydroxide is a diverse chemical compound that is used in the Aqua regia is a highly corrosive mixture of concentrated nitric acid and hydrochloric acid.
With the ability to dissolve Many industrial chemical processes and tests require chemical indicators to determine when certain thresholds are reached.
Sodium hydroxide is useful for its ability to alter fats. It is used to make soap and as a main ingredient in household products such as liquid drain cleaners. Sodium hydroxide is usually sold in pure form as white pellets or as a solution in water. Sodium hydroxide is used in bar soaps and detergents. Sodium Hydroxide is also used as a drain cleaner to unclog pipes. Some other uses include fuel cell production, to cure food, to remove skin from vegetables for canning, bleach, drain cleaner, oven cleaner, soaps, detergent, paper making, paper recycling, aluminum ore processing, oxide coating, processing cotton fabric, pickling, pain relievers, anticoagulants to prevent blood clots, cholesterol reducing medications, and water treatment.
In the home, some household items like soaps or cleaners contain sodium hydroxide. Accidental ingestion or skin contact with these cleaners could cause harmful exposure. Some industrial workplaces use sodium hydroxide.
Here are some workplace exposure limits to NaOH in the air. Remove clothes carefully if they get wet to avoid spreading the sodium hydroxide on your skin. Sodium hydroxide is a potentially dangerous substance.
It can hurt you if it touches your skin, if you drink it or if you breathe it. Eating or drinking sodium hydroxide can cause severe burns and immediate vomiting, nausea, diarrhea or chest and stomach pain, as well as swallowing difficulties. Damage to the mouth, throat and stomach is immediate. Breathing it can cause severe irritation of the upper respiratory tract with coughing, burns and difficulty breathing.
The harmful effects of sodium hydroxide depend on several factors including the concentration of sodium hydroxide, length of time exposed, and whether you touched it, drank it or inhaled it. Contact with very high concentrations of sodium hydroxide can cause severe burns to the eyes, skin, digestive system or lungs, resulting in permanent damage or death. Prolonged or repeated skin contact may cause dermatitis. Repeated inhalation of sodium hydroxide vapor can lead to permanent lung damage.
Contact the Poison Center at for more information about exposure to sodium hydroxide. Back in , sodium hydroxide was reported as one of the ten most commonly spilled or released chemicals in Tennessee. Spills and Emergencies — If employees are required to clean up spills, they must be properly trained and equipped.