Nitrous acid facts for kids

Kids Encyclopedia Facts

Nitrous acid is an chemical compound. It is an acid. Its chemical formula is HNO2. It is unstable. It is made by reacting a strong acid with sodium nitrite. It is a light blue solution. It breaks down to make nitric oxide, nitrogen dioxide, and water when it is concentrated. Nitrogen dioxide can be reacted with water to make a mixture of nitrous acid and nitric acid. It is used to make chemicals.

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Nitrous acid Facts for Kids. Kiddle Encyclopedia.