In lime soda process, the pH value of treated water is increased.

Related MCQs

• The lime soda process of water softening
• By lime soda process, hardness can be reduced to less than
• The layers such as lime stone and snd store which do not allow the water to pass through them are known as
• The amount of residual chlorine in treated water is determined by the
• In pre-chlorination, the raw water is treated with chlorine only.
• The seqage is treated by aerobic bacteria action in
• The most important source of water for public water supply is
• The presence of calcium and magnesium bi-carbonates in water causes hardness in the water.
• The water obtained from a lake is known as surface water.
• In designing a water works for a city to meet the water demand for public use, a provision of about