How do paramagnetic substances differ from ferromagnetic ?

Explanation

To understand how paramagnetic substances differ from ferromagnetic substances, we can break down the differences into key characteristics:

### Step-by-Step Solution:

1. **Definition of Paramagnetic Substances**:
- Paramagnetic substances are materials that have unpaired electrons. When placed in an external magnetic field, these materials become magnetized due to the alignment of their unpaired electrons with the magnetic field.

2. **Behavior in Magnetic Field**:
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