Key Difference â Aggregate vs Average Aggregate and average are two terms that are often used in calculations. However, these two terms mean two different things. Aggregate refers to the total sum of elements in a data set whereas average refers to the central value in a dataset. This is the key difference between aggregate and average. What Does Aggregate Mean? Aggregate is an adjective and a noun which refers to something formed or calculated by the combination of several separate elements.
Hypochlorous acid and hypochlorite ions, when combined, is known as free chlorine. Both of these establish equilibrium and are both temperature and pH dependent at 7.5 pH and 77Â°F (25Â°C). Hypochlorous acid is more potent than hypochlorite ions in terms of disinfection.
Chemical free or chemical-free is a term used in marketing to imply that a product is safe, healthy or environmentally friendly because it only contains natural ingredients.The term is a misnomer, as nothing that physically exists is free of chemicals.he term chemical is roughly a synonym for matter, and common natural substances such as water and air are considered chemicals. This misuse of the term chemical in advertising and the tolerance of its misuse by the United Kingdom's Advertising Standards Authority have been the subject of criticism.