Combustion

Which one of the following is not a fossil fuel?

• Wood

• Coal

• Petrol

• Natural Gas

What do we use limewater to test for?

• Carbon Dioxide

• Water

• Heat

• Smoke

Tags

NGSS.MS-PS1-2

Why do we burn a fuel?

• To have fun

• To release energy

• To lose energy

• To produce carbon dioxide

Tags

NGSS.MS-PS1-2

What is essential for a combustion reaction to begin?

• Carbon dioxide
• Fuel 
• Fuel, oxygen and heat
• Water and oxygen

What are the products of combustion?

• Hydrogen + oxygen

• Carbon dioxide + water

• Carbon dioxide + hydrogen

• Carbon + water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What does this hazard symbol warn of?

• The substance is explosive

• The substance burns easily

• The substance supplies oxygen to fires

• The substance puts out fires

Why should you not add water on burning oil?

• It makes the fire explode and spread

• It puts the fire out too quickly

• Water does not put out fires

• It takes too long to put out the fire

What does incomplete combustion produce that complete combustion doesn't?

• Carbon Monoxide

• Water

• Heat

• Carbon Dioxide

What are the types of combustion?

• Complete and incomplete

• Incomplete and inexact

• Impossible and possible

• Computer and incomplete

Which of the following chemical reactions involve combustion?

• A forest fire

• Human digestion

• A car using petrol

• All of the above

Tags

NGSS.MS-PS1-6