56ᵗʰ to 59th B.P.S.C. (Pre) 2014
Which of the following gases is used in cigarette lighters?
aButane✓ Correct
bMethane
cPropane
dRadon
Explanation
Butane is a flammable hydrocarbon whose molecular formula is C₄H₁₀. It is used in cigarette lighters.
general-science