Give one important use of `ClF_(3)`.

Explanation

To answer the question about the important use of ClF₃ (chlorine trifluoride), we can follow these steps:

### Step 1: Identify the compound
ClF₃ is chlorine trifluoride, a chemical compound consisting of one chlorine atom and three fluorine atoms.

**Hint:** Look for the chemical structure and properties of ClF₃ to understand its reactivity and applications.

### Step 2: Understand its properties
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