Temporary hardness in water in caused by salts like Environmental Engineering Mcqs March 2, 2019 BILAL KHATTAK0 A.Sulphates B.Nitrates C.Chlorides D.Carbonates E.All of the above Related Mcqs: Temporary hardness of water is caused by For removal of temporary hardness of water The ‘blue baby syndrome’ is caused due to pollution by:? The waste of steel factories is rich in:? Alum increases Addition to alum increases Brackish taste of water is due to The hardness of soft water (in ppm) is The permissible hardness of water for low pressure boiler is The permissible hardness of water for public supplies is