Which chemist developed a process to remove carbon and dust particles in smoke?

Which chemist developed a process to remove carbon and dust particles in smoke?

  • Correct Answer: harold black
  • james carpenter
  • roger granger
  • frederick cottrell

Explanation: The carbon and dust particles in smoke are often colloidally dispersed and electrically charged. Frederick Cottrell, an American chemist, developed a process to remove these particles.

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