Chemistry · General Awareness

Carbon and Fossil Fuels

1,898 Questions

Review fundamental concepts regarding carbon compounds, coal distillation, and fossil fuel formation. This segment covers the chemical properties and industrial applications of natural gas and crude oil. Practicing these questions will strengthen your chemistry foundation for general science sections.

Coal distillationPetroleum formationProperties of crude oilNatural gas applications

Carbon and Fossil Fuels Questions

Multiple choice
  1. For making candles ointments and Vaseline.

  2. For making paints

  3. For lubrication

  4. None

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Paraffin wax is a white, solid substance obtained from petroleum refining, commonly used in products like candles, ointments, and Vaseline due to its waxy properties.

Multiple choice
  1. Coal

  2. Coke

  3. Petroleium

  4. Natural gas

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Petroleum is often referred to as black gold because of its immense commercial value and dark, viscous appearance when extracted from the ground.

Multiple choice
  1. Tough,black and porous

  2. Black, thick liqid and unplesant smell

  3. Black , and soft

  4. None

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Coal tar is a black, thick liquid with an unpleasant smell, which is a byproduct of the destructive distillation of coal.

Multiple choice
  1. Nitrogen gas

  2. Carbon dioxide gas

  3. Hydrogen gas

  4. Oxygen gas

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Coal is primarily carbon; when it burns in the presence of oxygen, it reacts to form carbon dioxide gas.

Multiple choice
  1. Gum

  2. Amber

  3. Both Gum and Amber

  4. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The word electricity is derived from the Greek word for amber, 'elektron'. Thales of Miletus observed that rubbing amber with fur produced static electricity, which can create small sparks.

Multiple choice
  1. Internal combustion engine

  2. Electricity

  3. Motorcycles

  4. Natural gas

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The development of the internal combustion engine allowed for the use of liquid fuels like gasoline (derived from oil), which eventually replaced coal as the primary power source for transportation.

Multiple choice
  1. coal

  2. water

  3. oil

  4. natural gas

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Fossil fuels are hydrocarbons formed from ancient organic matter. Water is a renewable resource and not a fuel source formed from fossils.