Process of separation of different constituents from petroleum is called .............

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the term used to describe the process of separating different components from petroleum.

2. **Identifying the Process**: The process of separating the various constituents of petroleum is known as refining. This is a crucial step in the utilization of petroleum as it allows us to obtain different useful products.

3. **Defining Petroleum Refining**: Petroleum refining is a chemical engineering process that involves the separation of different components from crude oil. This includes various products such as LPG (Liquefied Petroleum Gas), gasoline (petrol), kerosene, diesel fuel, and jet fuel.

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