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What instrument is used to observe the Brownian movement?

Options

  1. ASpectrophotometer
  2. BUltramicroscope
  3. CMicroscope
  4. DCentrifuge

Correct answer

B. Ultramicroscope

Step-by-step solution

The paragraph does not specifically mention the instrument used to observe the Brownian movement. Ultramicroscopes are mentioned earlier in the text but not explicitly linked to Brownian movement observation.

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