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