Which among the following is NOT a type of homogenous mixture?

The Correct Answer is A mixture of Iron filings and sand.

• Homogenous mixture:
  • A mixture is said to be homogenous if it has a uniform composition throughout and there are no visible boundaries of separation between constituents.
  • Moreover, the constituents can not be seen even by a microscope.
  • Examples: Common salt dissolved in water, Sugar dissolved in water, Methyl alcohol in water, Iodine dissolved in CCl4 and Benzene in Toulene.
• Heterogenous mixture:
  • A mixture is said to be heterogeneous if it does not have a uniform composition throughout and has visible boundaries of separation between various constituents.
  • The different constituents of the heterogeneous mixture can be seen even with the naked eye.
  • Examples: A mixture of Sulphur and Sand, A mixture of Iron Filings and Sand etc.