Chemistry of Hydrocarbons

What is the general formula for alkanes?

• CnH2n+2

• CnH2n

• CnH2n+3

• CnH2n-2

Which type of hydrocarbons contain a double bond?

• Aromatics

• Alkanes

• Alkenes

• Alkynes

What is the name of the hydrocarbons with a triple bond?

• alkynes

• aromatics

• alkanes

• alkenes

What process separates crude oil into different components based on boiling points?

• Fractional distillation

• Chemical fusion

• Thermal decomposition

• Crystallization

Which process is used to remove impurities from crude oil?

• Refining

• Distillation

• Purification

• Filtration

Name one common use of hydrocarbons in daily life.

• Clothing fibers

• Building materials

• Cooking oil

• Fuel for vehicles

How many carbon atoms are present in a molecule of propane?

• 5

• 4

• 3

• 2

What is the name of the simplest alkene?

• Butene

• Ethene

• Propene

• Methene

Which hydrocarbons are known for their strong odor?

• Cyclic hydrocarbons

• Aliphatic hydrocarbons

• Halogenated hydrocarbons

• Aromatic hydrocarbons

What is the main component of natural gas?

• Hydrogen

• Methane

• Carbon Dioxide

• Propane