Question

The natural tendency of the water can be reversed by applying ________ to the salty water part.

(a) Low pressure

(b) High pressure

(c) Low temperature

(d) High temperature

The question was asked in examination.

I'm obligated to ask this question of Reverse Osmosis, Ultrafilteration, COD and BOD topic in section Water of Applied Chemistry

Answer 1

Correct choice is (b) High pressure

To explain: The natural tendency of the water can be reversed by applying the high pressure with a piston to the salty part of the water.