Chemistry PYQ 116 of 152 · Everyday Chemistry

Oxygen is absent in

  1. Akerosene
  2. Bglass
  3. Csoil
  4. Dcement
  5. ENone of the above / More than one of the above

65th BPSC

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).

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