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