Combustion Reactions Quiz

What are chemical changes?

• Reversible reactions that involve a change in color

• Reactions that produce new substances and involve an energy change

• Reactions that release heat and light

• Reactions that produce carbon dioxide and water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is a sign of a chemical reaction?

• Change in color

• Change in temperature

• Formation of a solid or gas

• All of the above

Tags

NGSS.MS-PS1-2

What is a combustion reaction?

• A reaction that produces carbon dioxide and water

• A reaction that releases energy in the form of heat and light

• A reaction that requires oxygen, heat, and fuel

• All of the above

Tags

NGSS.HS-PS1-4

What are the three main ingredients required for a combustion reaction to occur?

• Oxygen, heat, and fuel

• Carbon dioxide, water, and energy

• Hydrocarbons, oxygen, and carbon monoxide

• Carbon, carbon monoxide, and carbon dioxide

Which of the following is an example of a combustion reaction?

• Rust forming on iron

• Melting of ice

• Burning of wood

• Boiling of water

Tags

NGSS.HS-PS1-4

If the word 'fuel' in the word equation is changed to something else, would this reaction be similar to another type of reaction?

• Yes

• No

• Not enough information

• Depends on the specific change

What is the balanced chemical equation for the complete combustion of methane (CH4)?

• CH4 + O2 -> H2O + CO2

• CH4 + 2O2 -> 2H2O + CO2

• CH4 + O2 -> C + CO + CO2 + 2H2O

• CH4 + 2O2 -> C + CO + CO2 + 2H2O

Tags

NGSS.HS-PS1-7

What can happen in incomplete combustion?

• Toxic gases like carbon monoxide and dioxins can be produced

• Only carbon dioxide and water are produced

• The reaction releases less energy

• The reaction requires a higher temperature

Tags

NGSS.HS-PS1-4

What is the word equation for an incomplete combustion reaction?

• Fuel + oxygen gas -> carbon dioxide + water + energy

• Fuel + oxygen gas -> carbon + carbon monoxide + carbon dioxide + water

• Fuel + oxygen gas -> carbon monoxide + carbon dioxide + water

• Fuel + oxygen gas -> carbon + carbon dioxide + water

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-4

What is the impact of incomplete combustion on the carbon cycle?

• It increases the amount of carbon dioxide in the atmosphere

• It decreases the amount of carbon dioxide in the atmosphere

• It has no impact on the carbon cycle

• It converts carbon dioxide into carbon monoxide

Tags

NGSS.HS-ESS2-6