Which of following statements does not apply to reverse osmosis?

Options

A. It is used for water purification
B. In this technique, pressure greater than osmotic presure is applied to the system
C. It is a passive process
D. It is an active process

Explanation

To determine which statement does not apply to reverse osmosis, we need to understand the definition and characteristics of reverse osmosis.

### Step-by-Step Solution:

1. **Define Osmosis**:
- Osmosis is the movement of water molecules from an area of higher water concentration to an area of lower water concentration through a semi-permeable membrane.

**Hint**: Remember that osmosis involves the movement of water towards a higher concentration of solute.
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