What is the chemical name for the liquid fuel component C10H22(I)?

A. butane
B. decane
C. nonane
D. methane

b. decane. You should learn the names of the hydrocarbons.

methane CH4
ethane C2H6
propane C3H8
butane C4H10
pentane C5H12
hexane C6H14
heptane C7H16
Octane C8H18
Nonane C9H20
decane C10H22
This is called a homologous series. Also note that the general formula is
CnH2n+2