Multiple choice Which among the following statements can be excluded from the applications of alumina? Can not be used as a filler Used as a catalyst and catalyst support Used for gas purification and related absorption applications Used as an abrasive Reveal answer Fill a bubble to check yourself A Correct answer Explanation Being fairly chemically inert, relatively non-toxic, and white, alumina is a favoured filler for plastics. Alumina is a common ingredient in sunscreen.