Answer:
increase the temperature of the oil
Explanation:
One of the ways petroleum is refined by increasing the temperature of the oil. This process is known as thermal cracking.
Ā Thermal cracking is the process by which petroleum or crude-oil is subjected to high temperature to break down their long chains.
- Also, this reduces the giant hydrocarbon into simpler ones.
- The fractions now have lower boiling point and can readily be used.
