The presence of calcium and magnesium chloride in water causes

Related MCQs

• The presence of calcium and magnesium bi-carbonates in water causes hardness in the water.
• Calcium sulphate present in water causes corrosion.
• The presence of hydrogen sulphide in water causes
• The presence of bacteria in water causes
• The presence of carbon dioxide in water causes acidity.
• The maximum permissible chloride content in water for domestic supplies should not exceed
• The prsence of sodium chloride in water
• B-coli or E-coli are harmless organisms but their presence in water indicates the
• The temporary hardness due to calcium bicarbonates can be removed by
• The sanitation system in which a small portion of storm water is allowed to enter in the sanitary sewage sewers and the remaining storm water flows in separate set of sewers, is known as