Which of the following is a fossil fuel?

What is the primary component of natural gas?

Which process converts organic matter into coal over millions of years?

What is the main use of coal?

Which of the following is a disadvantage of using coal?

Which of the following is NOT a method of extracting petroleum?

Which substance is used to refine crude oil?

What is the primary source of energy for vehicles?

The process of converting coal into gas is called:

Which of the following fuels is considered a non-renewable energy source?

Which of the following is a clean source of energy?

Which gas is a byproduct of burning fossil fuels?

What type of coal has the highest carbon content?

Which of the following is used to separate different components of crude oil?

Which fossil fuel is known as "rock oil"?

Which of the following is a component of biogas?

Which of the following fuels is obtained from plant and animal materials?

What environmental issue is primarily caused by the burning of fossil fuels?

Which of the following fuels is most widely used for cooking in rural areas of India?

Which of the following is a disadvantage of petroleum?

Which method is used to convert solid biomass into liquid fuel?

Which of the following is NOT a product of the fractional distillation of crude oil?

The major component of coal that determines its heating value is:

What is the main advantage of using natural gas over coal?

Which of the following can be a source of energy in the future?