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