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Is Matter Around Us Pure — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure1 Mark
MCQ
Which of the following is not a mixture?
  • A
    Kerosene.
  • B
    Air.
  • C
    Alcohol.
  • D
    Petrol.
✓

Answer

  1. Alcohol.

Explanation:

Air, kerosene oil and petrol are mixtures of various compounds of carbon and hydrogen (called hydrocarbons). Alcohol is a compound and not a mixture.

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