Petroleum

In which of the following are crude oil fractions arranged in order of increasing viscosity?

• Gasoline < kerosene < diesel oil

• Kerosene < gasoline < diesel oil

• Diesel oil < gasoline < kerosene

• Gasoline < diesel oil < kerosene

Crude oil fractions collected at lower temperatures during fractional distillation exhibit higher values for which of the following physical properties?

• Viscosity

• Boiling Point

• Melting Point

• Volatility

Why are crude oil fractions described as non-renewable resources?

• Crude oil use is not sustainable because its production is very slow.

• Crude oil fractions cannot be reused after combustion.

• Products made from crude oil fractions are non-biodegradable.

• Crude oil use is not sustainable because it is no longer naturally produced.

Which of the following statements is true?

• All fractions of crude oil are used as fuels.

• Most fractions of crude oil are liquids at room temperature.

• Fractional distillation involves the separation of crude oil into pure compounds.

• Fractional distillation involves a chemical reaction.

Which variable physical property of crude oil fractions enables their separation by fractional distillation?

• Solubility

• Flammability

• Viscosity

• Boiling point

Three major fossil fuels are

• coal, petroleum, wood

• petroleum, natural gas, bioethanol

• petroleum, bioethanol, coal

• natural gas, petroleum, coal

Which one is not the catalyst for petroleum cracking?

• Iron

• Alumina

• Silica

• Zeolites

Which one is not a product of catalytic cracking?

• Hydrogen gas

• Alkane

• Alkene

• Oxygen gas

What is the highest demand for fractional distillation products?

• gasoline

• bitumen

• fuel oil

• lubricating oil

What is the state/phase for CH₄ at room temperature?

• gas

• liquid

• aqueous

• solid