Iodine in a mixture of potassium iodide and alcohol is called _________

Explanation

**Step-by-Step Solution:**

1. **Understanding the Components**: The question involves a mixture of iodine, potassium iodide, and alcohol. We need to identify what this mixture is commonly referred to.

2. **Identifying the Mixture**: When iodine is mixed with potassium iodide and alcohol, the resulting solution is known as "tincture of iodine."

3. **Composition of Tincture of Iodine**: Tincture of iodine typically contains about 7 to 8% iodine. This concentration is important for its effectiveness.

4. **Alternative Ingredients**: Instead of potassium iodide, sodium iodide can also be used in the preparation of tincture of iodine. Both serve the same purpose in this mixture.

5. **Uses of Tincture of Iodine**: Tincture of iodine is primarily used for its antiseptic properties. It is effective in cleaning small cuts and wounds, similar to other antiseptics like Betadine or Grease.

6. **Conclusion**: Therefore, the answer to the question is that iodine in a mixture of potassium iodide and alcohol is called "tincture of iodine."

**Final Answer**: Tincture of iodine

---