Chemistry Hardness of the water is commonly measured in terms of Calcium sulphate equivalents Magnesium carbonate equivalents Calcium carbonate equivalents Magnesium sulphate equivalents Calcium sulphate equivalents Magnesium carbonate equivalents Calcium carbonate equivalents Magnesium sulphate equivalents ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of copper in drinking water in mg/L is 2 0.01 1 0.05 2 0.01 1 0.05 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The amount of chlorine available in water after disinfection is called as Free chlorine Combined available chlorine Residual chlorine Free available chlorine Free chlorine Combined available chlorine Residual chlorine Free available 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 ? Bleaching powder Alum Soda powder Borax powder Bleaching powder Alum Soda powder Borax powder ANSWER DOWNLOAD EXAMIANS APP
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