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NDA 2 2025 GAT, question 102

Topic: Chemistry

Q102

Which one of the following is NOT a heterogeneous mixture ?

  1. (a) Sulphur in carbon disulphideCorrect answer
  2. (b) Mixture of sugar and salt crystals
  3. (c) Sandy water
  4. (d) Sulphur in water

Solution.

Answer: (a) Sulphur in carbon disulphide

  1. Sulphur dissolves in carbon disulphide to form a homogeneous solution.
  2. The other combinations retain distinct components or suspended particles, so they are heterogeneous mixtures.