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