Combustion

___________ + oxygen → carbon dioxide + water

What is another word for Combustion?

• Melting

• Burning

• Splitting

• Reacting

Describe how the size of a hydrocarbon molecule affects the combustion reaction it undergoes.

Answer explanation

The smaller the hydrocarbon molecule (number of carbon atoms), the more combustible it is

How many carbons does a butane molecule contain?

• 1

• 2

• 3

• 4

Most of the fuels we use are fossil fuels. What are the main fossil fuels?

• Gas, Oil, Stone

• Coal, Natural Gas, Fossils

• Coal, Natural Gas, Oil

• Diesel, Kerosene, Lighter fuel

__________ combustion occurs when a flame is partly or badly starved of oxygen

What are the 3 key ingredients for combustion?

• Air, Fire, Water

• Oxygen, Heat, Fuel

• Oxygen, Fire, Wood

• Heat, Fuel, Coal

What will happen if one or more of the 3 ingredients for combustion are removed?

Answer explanation

The fire will go out.

The following equation is an example of what type of combustion?

hydrocarbon + oxygen → carbon monoxide + water

• Complete Combustion

• Monoxide Combustion

• Fuel Combustion

• Incomplete Combustion

What is formed if a flame is badly starved of oxygen? - Provide an a word equation. What does this product look like?

Answer explanation

hydrocarbon + oxygen → carbon  + water

The product formed is Carbon. It is seen as black soot.