What are paramagnetisma and ferromagnetism ? What type of substances would make batter permanent magnets, ferromagnetic or ferrimagnetic?

Explanation

**Step-by-Step Solution:**

1. **Definition of Paramagnetism:**
- Paramagnetism is a property of certain materials that become magnetized in the presence of an external magnetic field.
- Examples of paramagnetic materials include aluminum and platinum.
- However, the key characteristic of paramagnetic substances is that their magnetism disappears once the external magnetic field is removed.

2. **Definition of Ferromagnetism:**
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