The fuel mixture of a motor vehicle is:

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  1. Saturated hydrocarbons only
  2. Unsaturated hydrocarbons only
  3. Saturated and unsaturated hydrocarbons
  4. Inorganic compounds

Answer (Detailed Solution Below)

Option 3 : Saturated and unsaturated hydrocarbons
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The correct answer is Saturated and unsaturated hydrocarbons.

Key Points

  • The fuel mixture used in a motor vehicle typically consists of both saturated and unsaturated hydrocarbons.
  • Saturated hydrocarbons, such as alkanes, are straight-chain or branched-chain hydrocarbons with single bonds between carbon atoms.
  • Unsaturated hydrocarbons, such as alkenes and alkynes, contain double or triple bonds between carbon atoms.
  • Gasoline, which is the primary fuel used in motor vehicles, is a mixture of various hydrocarbons, including both saturated and unsaturated compounds.
  • The combination of saturated and unsaturated hydrocarbons in the fuel provides the necessary energy for combustion in the vehicle engine.

Additional Information

  • Inorganic compounds:
    • Inorganic compounds, such as metals and metal oxides, are not commonly used as fuel in motor vehicles.
    • The fuel mixture primarily consists of organic compounds, particularly hydrocarbons derived from petroleum.
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