Mixture can be _________ in nature.

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RRB JE CBT I - (Held On: 2 June 2019 Shift 3)
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  1. Homogeneous
  2. Pure substance
  3. Heterogeneous
  4. Both homogeneous and heterogeneous

Answer (Detailed Solution Below)

Option 4 : Both homogeneous and heterogeneous
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The correct answer is Both homogeneous and heterogeneous

Key Points

  • A mixture can be both homogeneous and heterogeneous in nature.
  • Homogeneous mixtures have a uniform composition throughout, such as salt dissolved in water.
  • Heterogeneous mixtures have a non-uniform composition, such as a salad.
  • The classification of mixtures into homogeneous and heterogeneous is based on the uniformity of their composition.
  • Examples of homogeneous mixtures include air, vinegar, and steel.
  • Examples of heterogeneous mixtures include oil and water, sand and iron filings, and a bowl of cereal in milk.

Additional Information

  • Homogeneous mixtures are also known as solutions.
  • In a homogeneous mixture, the different components are not visible to the naked eye.
  • In a heterogeneous mixture, the different components can be easily distinguished.
  • The process of separating the components of a heterogeneous mixture can often be done through physical means such as filtration or decantation.
  • Understanding the nature of mixtures is fundamental in chemistry and helps in the study of material properties and separation techniques.
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