A spatially uniform magnetic field cannot exert a magnetic force ...

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A spatially uniform magnetic field cannot exert a magnetic force on a particle in which of the following circumstances? There may be more than one correct statement.
  1.The particle is charged.
  2.The particle moves perpendicular to the magnetic field.
  3.The particle moves parallel to the magnetic field.
  4.The magnitude of the magnetic field changes with time.
  5.The particle is at rest.

Question 2

Distinguish between solvent and solute.

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Answer to Question 1

3,5

Answer to Question 2

The solvent is the dissolving medium of a solution. The solute is the dissolved
substance in a solution.