15 февр. 2022 г. · Air is neither an element nor a compound. It is a mixture of various substances, including nitrogen (about 78%), oxygen (about 21%) and other gases.

1 июн. 2015 г. · It's chemical composition isn't constant. So air with humidity or saturated air isn't a pure substance but dry air is a pure substance.

24 янв. 2015 г. · Is the fresh air we breathe in, a pure substance in a term of science? No, because air is a mixture of a no. of gases such as nitrogen , oxygen ...

22 апр. 2022 г. · Compound is a pure substance, but air is not. Air is a mixture of nitrogen, oxygen, carbon dioxide, water vapor and some other gases (depends on ...

28 авг. 2015 г. · Yes. It is a mixture of individual gasses, mainly nitrogen (~78%), oxygen (~21%), argon (~1%), and carbon dioxide (~0.4%). It also contains ...

28 сент. 2019 г. · Air isn't considered a pure substance because there is no one single chemical element of compound that forms air. Air is a mixture of various ...

30 авг. 2016 г. · Air, for example, is a mixture of several gases, but it is often considered to be a pure substance because it has a uniform chemical composition.

28 авг. 2019 г. · Air is really not one substance but a mixture. Air is a mixture of some gases, water vapour and dust particles. The gases in air are mainly ...

15 февр. 2022 г. · Its exact composition varies from place to place. Hence, air is a mixture and not a pure substance.

21 мая 2015 г. · Air is a mixture/blend of several gases and water (moisture). Its composition may change based on the ambient conditions, such as temperature, ...