By which of the given processes is coal formed?

• Carbonisation

• Distillation

• Vapourisation

• Evaporation

What are the most common sources of energy used in automobiles?

• Wood and coal

• Petroleum and diesel

• LPG and cow dung

• Natural gas and coal

Which material is the initial starting point of coal formation?

• Bituminous

• Peat

• Anthracite

• Lignite

What are fossil fuels?

• complex hydrocarbon compounds
• mixtures of gaseous hydrocarbons located under the surface of the Earth
• a nonrenewable energy resource formed the remains of organisms that lived long ago

7. Which fossil fuel is the remains of ancient plants?

• Coal
• Petroleum
• Natural Gas

Crude oil is also called what?

• biomass
• fossils
• coal
• petroleum

Which of the following is a fossil fuel?

• Petroleum

• Wood

• Cow dung

• Dry leaves

Renewable resources ...

• are not replaceable

• are used more frequently than non renewables

• are never going to run out

• going to run out

Petrochemicals are used in manufacturing

• Natural gas, Acrylic

• Polyester, Nylon

• Paraffin wax, Bitumen

• Kerosene, diesel

Gas which occurs above the petroleum oil trapped under the rocks is

• Oxygen

• Biogas

• Natural Gas

• Carbondioxide