EntityQ1631931· pop 6· linked from 7 articlesWeldon processSign in to savepreparation of chlorineConnectionschlorineEntityhydrochloric acidEntitycalcium oxideEntitymanganese dioxideEntityEncyclopædia Britannica 11th editionEntitymanganese(II) chlorideEntityHugh ChisholmEntityChloralkali processEntityWalter WeldonEntityDeacon processEntityCategoriesChemical processesChlorine