What is the neutral pH?

In RO, the solvent passes through the membrane at a much faster rate than the dissolved solids.

Filtration is based on colour of particles.

Which of the following is not correct regarding Ozonation?

What is the most effective dosage of ozone to be used as a disinfectant?

________ is used in detergents to soften water.

What is the most favourable pH for the operation?

The solution to pollution is ___