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does aluminium oxide react with sodium hydroxide?
Aluminium oxide, also known as alumina or bauxite, is the most common and stable form of aluminium oxide. It is a white, odorless, crystalline compound, and it can be used as an electrical insulator.
The chemical formula for aluminium oxide is Al2O3, which combines two aluminum atoms with three oxygen atoms. It is very hard, and its melting point is extremely high (2,000 C or 3,600 F).
When it is reacted with dilute sodium hydroxide at room temperature, aluminum dissolves in the solution to form salt and hydrogen gas. It is also reacted with diluted hydrochloric acid at room temperature.
Sodium aluminate is a white, crystalline solid, and it has the formula NaAlO2 or Na2O*Al2O3. It is very important for industrial applications as it is useful as an insulator and can be machined into a variety of hard wear-resistant materials such as wire guides, machinery seals, metering devices and high-temperature electrical insulators.
It is commonly available in the form of a powder, and it is produced using various methods. Some varieties are formed at very high temperatures, while others are created from solutions of different concentrations.
Aluminium oxide is not a toxic substance, as long as it is kept under control in the workplace. However, it can cause irritation to the skin and eyes if it is inhaled, especially if it is mixed with chlorine trifluoride or ethylene oxide.
