QUESTION: Which of the following is not a constituent of petroleum?
A Paraffin wax
B Lubricating oil
C Petrol
D Coke
ANSWER: Coke
| Name of constituent | Chemical formula | Uses |
| Kerosene | CnH2n+2 to CnH2n+12 | · Kerosene serves as jet fuel for aircraft, heating oil for homes and industries, lamp oil. |
| LPG (Propane/Butane) | Mixture | · LPG is a mix of propane and butane and is used for heating, cooking and as a vehicle fuel. |
| Tar | Complex mixture | · Tar is used in road construction and paving purposes. |
| Paraffin Wax | Long-chain hydrocarbons | · Paraffin wax is used in candles, coatings and packaging materials. |
| Asphalt | Complex mixture | · Asphalt is used for road construction and surfacing, as well as for roofing materials and waterproofing applications. |
| Diesel | CnH2n+2 to CnH2n+18 | · Diesel is used as a fuel for diesel engines in vehicles, trucks, buses, industrial machinery and power generators. |
| Lubricating Oil | Complex mixture | · Lubricating oils are essential for reducing friction and wear in engines, machinery and industrial equipment. |
| Bitumen | Complex mixture | · Bitumen is a thicker form of petroleum often used in road construction and roofing materials. · It’s known for its waterproofing properties. |
| Gasoline | C5H12 to C12H26 | · Gasoline is the primary fuel for spark-ignition internal combustion engines, powering vehicles like cars and motorcycles. |