Dilution=volume added/total volume. What does total volume indicate?

How is iconic strength related to total dissolved solids?

The quality of the fish habitat begins to increase when the dissolved oxygen concentration drops below 4 or 5 mg L-1.

_________ is the controlled application of waste water onto the land surface to achieve a specified level of treatment.

In case of aqueous solution which of the following mathematical formula holds good?

How are the traces of organic compounds removed from the soil?

Waste water is injected into the ground between impermeable layers of rocks to avoid polluting fresh water supplies.

What is the combination of using a photocatalyst and UV or visible light for the treatment of wastewater and gaseous pol…