Hydrocarbon Combustion Quiz

What are the two main types of hydrocarbon combustion?

• Complete and incomplete

• Full and partial

• Complete and partial

• Partial and incomplete

What is required for complete combustion to occur?

• Sufficient oxygen supply

• Excessive carbon supply

• Limited oxygen supply

• No oxygen supply

Which of the following is a product of incomplete combustion?

• Carbon dioxide

• Water

• Oxygen

• Carbon monoxide

What factor affects the amount of soot produced during combustion?

• Percentage of hydrogen

• Amount of water

• Percentage of carbon

• Amount of oxygen

Which hydrocarbon will produce more soot when combusted?

• Ethane (C2H6)

• Propane (C3H8)

• Butane (C4H10)

• Ethene (C2H4)

What is the molecular formula for ethene?

• C2H4

• C2H6

• C3H8

• C3H6

In a balanced equation for complete combustion, what are the products?

• Carbon dioxide and water

• Oxygen and water

• Carbon monoxide and water

• Carbon and water

When balancing combustion equations, which element should be balanced last?

• Nitrogen

• Oxygen

• Hydrogen

• Carbon

What is a characteristic of incomplete combustion?

• Produces soot and carbon monoxide

• Requires no oxygen

• Produces only carbon dioxide

• Occurs with excess oxygen

Why can fractions be used in balancing combustion equations?

• To increase the number of reactants

• To avoid using decimals

• To balance oxygen atoms

• To simplify the equation