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