According to The United States Geological Survey, water having less than 1000 ml/litre of total dissolved solids is

Related MCQs

• The Total dissolved solids (TDS) can be reduced by the following method
• In filtration, the amount of dissolved solids passing through the filters is
• Excess of fluoride in drinking water causes:
• The following cause alkalinity as well hardness in natural water.
• Treated water can be disinfected by adding
• The discharge of warm/hot water directly into rivers is known as