Kajal or soot is other name for ________.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Terms**: The question asks for the other name of "Kajal" or "soot". We need to identify what these terms refer to in chemistry.

2. **Identifying Kajal**: Kajal is commonly used as a cosmetic product, particularly in South Asian cultures. It is often applied around the eyes.

3. **Identifying Soot**: Soot is a black powdery substance that is produced by the incomplete combustion of carbon-containing materials.

4. **Connecting Kajal and Soot**: Both Kajal and soot are related to carbon. Kajal is essentially made from soot, which is a form of carbon.

5. **Defining Lamp Black**: Lamp black is a specific type of soot that is produced from burning hydrocarbons, such as petroleum or kerosene, in a limited supply of air. It is known for being the softest form of carbon.

6. **Conclusion**: Therefore, both Kajal and soot are other names for "Lamp Black".

**Final Answer**: Kajal or soot is other name for **Lamp Black**.

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