66ᵗʰ B.P.S.C. (Re-Exam (Pre) 2020
Oxygen is absent in-
aKerosene✓ Correct
bGlass
cSoil
dIn cement
eNone of the above/More than one of the above
Explanation
Among the given options, oxygen is absent in kerosene. Chemically, kerosene (lamp oil) is a mixture of hydrocarbons. Note that hydrocarbons are compounds made only of carbon and hydrogen.
general-science