fossil fuels

What are fossil fuels primarily made from?
A. Rocks and minerals

B. Inorganic matter
C. Organic remains
D. Synthetic materials

• A

• B

• C

• D

What conditions are required for the formation of fossil fuels?
A. High oxygen and cold temperatures
B. Anaerobic conditions with heat and pressure
C. Exposure to sunlight and water
D. High humidity and light

• A

• B

• C

• D

What is the main component of natural gas?
A. Propane
B. Butane
C. Ethane
D. Methane

• A

• B

• C

• D

Which of these is a solvent made from crude oil?
A. Water
B. Ethanol
C. Acetone
D. Petrol

• A

• B

• C

• D

Which factor is NOT essential for the formation of oil and gas deposits?

• A) Source rock rich in organic material

• B) High-pressure conditions

• C) Presence of oxygen

• D) Millions of years of time

• A

• B

• C

• D

What is the primary source material for oil and gas formation?

• A) Dinosaurs

• B) Marine microorganisms

• C) Terrestrial plants

• D) Volcanic ash

• A

• B

• C

• D

Why is petroleum considered a clean fuel compared to coal?
A) It produces more soot
B) It releases more sulphur compounds
C) It has a low sulphur content
D) It combusts more completely

• A

• B

• C

• D

Which of the following is NOT an advantage of coal?
A) High energy content
B) Can be converted to gas
C) Environmentally clean
D) Abundant globally

• A

• B

• C

• D

• The main reason natural gas has a lower energy density is because:
  A) It contains heavy metals
  B) CH₄ is a heavier molecule
  C) CH₄ is a lighter molecule
  D) It is a solid at room temperature

• A

• B

• C

• D