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