In everyday life, for example on food packaging, the word ‘pure’ usually means that something is in its natural state without anything added to it, like sweeteners or preservatives. Natural fruit ...

Pure and Mixed Substances: In the world of chemistry, substances are broadly classified into two fundamental categories: pure and mixed substances. Understanding these distinctions is crucial as they ...

When it comes to the persistent conversations about the U.S. drug crisis, one detailed conversation seems to be consistently disregarded. Exactly what substances are being used, and in what purity and ...

At the request of the United Nations Educational, Scientific and Cultural Organisation, and by agreement with the International Union of Chemistry, the International Bureau of Physico-Chemical ...

Religious scriptures talk a lot about purity—of mind, thoughts and intentions. Purity is a term that connotes the absence of contamination, or adulteration. In general parlance, it is used in the ...

The word 'pure' is used in chemistry in a different way from its everyday meaning. For example, shops sell cartons labelled as 'pure' orange juice. The label means that the contents are just orange ...