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