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Question

The particle size of a solution is:

This question was previously asked in
RRB NTPC 2024 Undergraduate CBT 1 Question Paper (29-Aug-2025) (Shift 1)
The correct answer is

Smaller than 1 nm in diameter

The correct answer is  option  4 I.e. Smaller than 1 nm in diameter.

The particle size of a solution is typically less than 1 nanometer (nm).

In a true solution:

  • The solute particles are atoms, ions, or small molecules.

  • They are uniformly distributed and do not settle out.

  • The solution appears clear and homogeneous.

Examples: Salt in water, sugar in water.

 

 

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