Hydrophilic gels, when placed in water, absorb liquid resulting in an increase of their volume. This process of swelling of gels takes place with:

Options

A. No change of volume
B. Net increase of volume
C. Net decrease of volume
D. Large reduction in volume

Explanation

To solve the question regarding the swelling of hydrophilic gels when placed in water, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Hydrophilic Gels**:
- Hydrophilic gels are materials that have the ability to absorb water due to their porous structure. This property allows them to swell when they come into contact with water.

2. **Initial Volume of the Gel**:
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