Oxygen is absent in
- Akerosene
- Bglass
- Csoil
- Dcement
- ENone of the above / More than one of the above
Show answer and explanation
Correct answer: (a) kerosene
Explanation
Kerosene is a petroleum-derived hydrocarbon made only of carbon and hydrogen atoms.
Being a pure hydrocarbon, it contains no oxygen in its molecules.
Soil, glass and cement all contain oxygen (in air pores, silicates and oxides respectively).