Multiple choice

When a beam of light is passed through a true solution, the path of light is not visible because

  1. in a true solution, amount of particles is negligible

  2. in a true solution, there are large spaces between the particles

  3. in a true solution, the size of particles is very small

  4. true solutions absorb the light completely
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

True solutions are homogeneous mixtures in which the size of the particles is less than 1 nm in diameter. Because of the small size, the solute particles do not scatter a beam of light passing through the solution. Therefore, the path of light is not visible in a true solution.

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