Combustion of fuels

What is the main effect of carbon monoxide on the blood?

• It causes blood clots
• It reduces the ability to carry oxygen
• It has no effect on the blood
• It increases the ability to carry oxygen

What is the main source of energy used for transportation, heating, and cooking?

• Oil
• Natural gas
• Coal
• Wood

What is the main difference between complete and incomplete combustion?

• The color of the flame
• The type of fuel used
• The temperature of the reaction
• The amount of oxygen available

What is the main difference between carbon monoxide and carbon?

• The odor
• The toxicity level
• The color of the gas
• The number of oxygen atoms

What are the final products of complete combustion of a hydrocarbon fuel?

• Carbon monoxide and water
• Carbon dioxide and water
• Carbon dioxide and carbon
• Carbon monoxide and carbon

What is the balanced symbol equation for the complete combustion of propane?

• C3H8 + 4O2 --> 3CO2 + 4H2O
• C3H8 + 3O2 --> 3CO2 + 2H2O
• C3H8 + 3O2 --> 3CO2 + 4H2O
• C3H8 + 5O2 --> 3CO2 + 4H2O

8.7: Combustion is when a __________ reacts with oxygen

• petrol

• fuel

• fire triangle

• carbon dioxide

What are the types of combustion?

• Complete & incomplete
• Incomplete & inexact
• Impossible & complete
• Computer & incompete

Complete combustion is when there is plenty of oxygen to react with. 

• True
• False

Incomplete combustion is when there is a limited amount of oxygen.

• True
• False