Petroleum and Its Products

The fraction of petroleum with the highest viscosity is...

• Refinery gas

• Bitumen

• Naphtha

• Kerosene

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...

• Flammability

• Viscosity

• Melting point

• Colour

Naphtha is most commonly used as chemical feedstock.

• True

• False

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

• It has more than 70 carbon

• It has the highest melting point

• It is very flammable

• It's commonly used as fuel

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

• Gasoline

• Kerosene

• Diesel

• Fuel Oil

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

• Refinery gas

• Paraffin

• Lubricants

• Diesel

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

• Bitumen and Lubricants

• Diesel and Fuel Oil

• Kerosene and Naphtha

• Refinery gas and Gasoline

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

• CH₄

• C₂H₂

• C₂H₄

• C₄H₈

What are the main elements that forms hydrocarbon?

• Ca and H

• C and H

• C and He

• Co and Hf

What is the fraction used for heavy-duty engines?

• Refinery gas

• Gasoline

• Fuel Oil

• Bitumen