Organic Chemistry – Coal, Fuels and Hydrocarbons

1. What are the primary components found in LPG?

  1. Methane and ethane
  2. Propane and butane
  3. Nitrogen and propylene
  4. Hydrogen and butylene
Show Answer

Answer: Option B. Propane and butane

2. Which statement regarding Bitumen is incorrect?

  1. Bitumen is soluble in trichloroethylene
  2. SARA is an analysis method that divides bitumen components
  3. Bitumen is a liquid at room temperature
  4. Bitumen contains both carbon and sulfur
Show Answer

Answer: Option C. Bitumen is a liquid at room temperature

3. Which of the following causes the smell of LPG gas to be easily noticed?

  1. Ethyl Mercaptan
  2. Propane
  3. Propylene
  4. Methane
Show Answer

Answer: Option A. Ethyl Mercaptan

4. Methyl tert-butyl ether (MTBE) is mixed with petroleum for what purpose?

  1. To decrease the cost of petroleum production
  2. To enhance the color of petroleum products
  3. To make petroleum less flammable
  4. To increase the octane rating and reduce knocking in engines
Show Answer

Answer: Option D. To increase the octane rating and reduce knocking in engines

5. Which of the following is commonly called wood alcohol?

  1. Ethanol
  2. Isopropanol
  3. Methanol
  4. Butanol
Show Answer

Answer: Option C. Methanol