Combustion Quiz

What is combustion?

• A) A type of precipitation

• B) The process of burning

• C) A method of cooling

• D) A chemical synthesis

What type of reaction is combustion?

• A) Endothermic

• B) Exothermic

• C) Photosynthesis

• D) Hydrolysis

What does incomplete combustion produce?

• Carbon dioxide and water

• Carbon monoxide, soot (carbon), and water

• Only carbon monoxide

• Only soot (carbon)

What are the products of complete combustion?

• Carbon monoxide and water

• Carbon dioxide and water

• Carbon and water

• Carbon dioxide and carbon monoxide

What is the chemical formula for carbon monoxide produced during incomplete combustion of methane?

• CO_2

• C

• CO

• H_2O

What is a characteristic of incomplete combustion?

• Complete utilization of oxygen

• Flame temperature is above 1000°C

• Production of carbon dioxide and high energy

• Poor supply of oxygen

What are the properties of carbon monoxide?

• Colourless and odourless

• Brightly coloured and fragrant

• Colourless with a strong smell

• Coloured and odourless

Which flame does a closed collar on a Bunsen burner produce?

• Red flame

• Roaring blue flame

• Safety flame

• Pink flame

What is the word equation for the complete combustion of methane?

• Methane + oxygen → carbon + water

• Methane + oxygen → carbon monoxide + water

• Methane + oxygen → carbon dioxide + water

• Methane + oxygen → carbon dioxide + hydrogen

What does an open collar on a burner ensure during complete combustion?

• Restricts the flow of oxygen

• Produces a good supply of oxygen

• Cools down the flame

• Increases the carbon content in the flame