Fuels and Their Properties Quiz

Which of the following fuels is NOT formed through fossilization over millions of years?

• Petroleum

• Natural Gas

• Biogas

• Coal

You're given four fuels. Which one would produce the least amount of smoke when burned?

• Kerosene

• LPG

• Firewood

• Coal

If petroleum suddenly becomes unavailable, which of these products would be least affected?

• Diesel

• Bitumen

• CNG

• Kerosene

Which of the following is a mixture of several useful components extracted through fractional distillation?

• Coal

• Crude Oil

• Coke

• CNG

What makes natural gas a better fuel for vehicles in cities?

• It is heavier than air

• It releases more heat than LPG

• It burns without leaving smoke or soot

• It is easier to store than diesel

A black, porous fuel is used in steel plants and was once used in home heating. What is it?

• Bitumen

• Coke

• Diesel

• LPG

Which of the following would you classify as a "residue" rather than a fuel fraction?

• Kerosene

• Petrol

• Bitumen

• Diesel

A student says “Coal is used in cooking gas.” What is wrong with this statement?

• Coal is a gas

• Coal cannot burn

• Cooking gas is actually LPG, not coal

• Coal is used only in machines

Choose the pair that consists of only fossil fuels:

• Coal and Biogas

• Kerosene and Biomass

• Petrol and Diesel

• Firewood and Natural Gas

Which process happens FIRST in the formation of petroleum?

• Heat and pressure turn dead organisms into crude oil

• Organisms die and settle at the sea bottom

• Crude oil is extracted from oil wells

• Crude oil is separated into useful parts