ii. Name some fuels
in What is the chemical name of fuel?
iv. Which two substances are formed when a fuel is burnt?
v. What is burning of fuel called?
Answers
Answer:
1.fuels
butane.
diesel fuel.
fuel oil.
gasoline.
kerosene.
liquefied natural gas.
liquefied petroleum gas.
propane.
2.Name Molecular Formula
Gasoline is a mixture of many straight chain, branched, and aromatic hydrocarbon molecules in the range of C7 through C11 or 12.
undecane C11H24
dodecane C12H26
Kerosene, jet fuel, and diesel fuel contain hydrocarbons in the range of C12 to C20. Fuel Oil has a range of hydrocarbons of C20 to C40.
3.Yes, when a hydrocarbon fuel is burnt, it gives out carbon dioxide and water vapours. Hydrocarbons are made up of carbon and hydrogen. When they are burnt in the presence of oxygen, carbon reacts with oxygen to form carbon dioxide and hydrogen reacts with oxygen to form water vapours.
4.Burning a fuel is called combustion
Answer:
2) solid liquid and gaseous
3) kerosene