The most commonly used chemical for dechlorination of water is

Related MCQs

• The process of dechlorination is followed by
• The most commonly used disinfectant for drinking water throughout the world is
• Copper sulphate is the most common chemical used for controlling
• Bio-chemical oxygen demand (B.O.D.) of safe drinking water must be
• The most important source of water for public water supply is
• The pipe joint commonly used in pumping stations is
• The amount of oxygen required for the biological decomposition of dissovled organic solids to occur under aerobic conditions is called bio-chemical oxygen demand (B.O.D.)
• The bio-chemical treatment of sewage effluent is a process of
• The percentage ratio of the oxygen available in sewage to the oxygen required to satisfy one stage of bio-chemical oxygen demand (B.O.D.) is termed as
• The presence of calcium and magnesium bi-carbonates in water causes hardness in the water.