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