How is UV dosage expressed mathematically?

In case along with silica, there is high content in sulphide and chloride what should be used?

Which of these methods do not form any byproduct?

What is the uniform coefficient of resin?

__________ is used for ultrafiltration.

What is the limit of total dissolved solids in treated water which is to be used for the gardening purpose?

_______ is used as an indicator test to determine the general quality of the water.

What is the lowest enthalpy of adsorption for physical adsorption?