What is the percentage of phosphorus present in bacterial biomass?

While designing the demineralisation plant what is considered as the weak acidic cation load?

Which type of character does the strong basic acid type I have?

Which of the following factors are considered in ultrafiltration?

Macromolecules deposited uniformly on pore walls is called __

Which of these is not an advantage of Ozonation?

_______ stores natural gas.

Which of the below is used to denitrify nitrates?