27 сент. 2016 г. · Nitrogen, is an element. It is composed of Nitrogen. So by defintion, it is pure. Why is air not a pure substance? Why is pure air a mixture and not a pure substance? Is a mixture of air and liquid air a pure substance? Is oxygen a mixture or pure substance? Другие результаты с сайта www.quora.com

Thus, air is not a pure substance as it does not have a constant composition. (b) Nitrogen gas (N2): Nitrogen gas is a pure substance as it is an element made ...

14 дек. 2020 г. · Nitrogen is a gas and it is considered as a pure substance as it contains only one type of atom.Explanation:Pure substances are defined as ...

10 окт. 2024 г. · In conclusion, N2 (nitrogen gas) is a pure substance due to its fixed composition and consistent properties. This fundamental understanding ...

Nitrogen is considered a pure substance because it has a fixed chemical composition and is composed of only one type of molecule, which is N₂. Sources.

A pure substance consists of only one chemical. This can either be an element or compound. For example the element Nitrogen only consists of Nitrogen atoms. The ...

26 февр. 2024 г. · Liquid nitrogen is classified as a pure substance and specifically as an element. Other substances such as salt and carbon dioxide are compounds.

The air that we breathe is impure. It is a mixture of oxygen, nitrogen, carbon dioxide, carbon monoxide and many impurities such as methane.

18 сент. 2024 г. · Conclusion: - Therefore, nitrogen is classified as a pure substance. ---.