Alum increases Environmental Engineering Mcqs August 3, 2019 BILAL KHATTAK0 A.Hardness of water B.Carbonates of water C.Sulphates in water D.Acidity of water E.None of the aboveRelated Mcqs:Addition to alum increasesTemporary hardness in water in caused by salts likeSilicon when added to copper increases itsAddition of nickel to cast iron increasesIdentify the incorrect statement if anyIdentify the incorrect statement if any Zeolite process is suitable forIn plain carbon steel as the percentage of carbon increases from 0.2% to 0.8% which of the following decreases?Induction hardening of components in doneThe ability of a tool to resist softening at high temperatures is known asThe sulphate rocks are formed in ocean by leaching of: