JEE Main 202126 Feb, Evening shiftChemistryEasyIsolation of Elements99× since 2002Calgon is used for water treatment. Which of the following statement is NOT true about Calgon?AOption A. It is also known as Graham's salt.BOption B. It is polymeric compound and is water soluble.COption C. It does not remove Ca²⁺ ion by precipitation.DOption D. Calgon contains the 2^nd most abundant element by weight in the Earth's crust.CheckSkip · show solution
