Chemistry Hardness of the water is commonly measured in terms of Magnesium carbonate equivalents Calcium carbonate equivalents Calcium sulphate equivalents Magnesium sulphate equivalents Magnesium carbonate equivalents Calcium carbonate equivalents Calcium sulphate equivalents Magnesium sulphate equivalents ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of copper in drinking water in mg/L is 1 2 0.01 0.05 1 2 0.01 0.05 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The amount of chlorine available in water after disinfection is called as Residual chlorine Free available chlorine Free chlorine Combined available chlorine Residual chlorine Free available chlorine Free chlorine Combined available chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of total hardness in drinking water is 200 100 50 500 200 100 50 500 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Bleaching powder Alum Borax powder Soda powder Bleaching powder Alum Borax powder Soda powder ANSWER DOWNLOAD EXAMIANS APP
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