Write down the names of compounds represented by the following formulae:
(i) `Al_(2)(SO_(4))_(3)`
(ii) `CaCl_(2)`
(iii) `K_(2) SO_(4)`
(iv) `KNO_(3)`
(v) `CaCO_(3)`

Explanation

To determine the names of the compounds represented by the given formulae, we will analyze each formula step by step.

### Step-by-Step Solution:

**(i) `Al_(2)(SO_(4))_(3)`**
1. Identify the cation and anion:
- Cation: `Al` (Aluminium)
- Anion: `SO4` (Sulfate)
...