Refinery gas is the lightest compound separated from crude oil. The most important property of refinery gas that's being used in daily life is...

Naphtha is most commonly used as chemical feedstock.

Bitumen is one of petroleum's fraction. Which one(s) is/are true for bitumen?

Which fraction from below is used as fuel for diesel engine?

Which compound from below is mixed with fat oil to make candle?

Naphtha is usually cracked to make smaller fraction. What are the products of the catalytic cracking process of naphtha?

C₁₁H₂₄ is one example of naphtha. After being cracked, it produces some other hydrocarbon including C₆H₁₄ and C₃H₆. What is the last cracking product?

What are the main elements that forms hydrocarbon?

What is the fraction used for heavy-duty engines?