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.

Join our channels for latest updates

More Random Questions

Q: Who won the men's and women's singles title of Wimbledon 2024 on July 14, 2024?
Ans: Carlos Alcaraz and Barbora Krejcikova
Q: In Sushruta Samhita, which Dantamoolagata Roga is caused by Kapha?
Ans: Sheetada
Q: Which country's cricketer Locke Ferguson has made a record of four maiden overs in the T20 World Cup?
Ans: New Zealand
Q: What percentage of Americans viewed immigration policy positively in April 2025?
Ans: 45%
Q: Because optics fibers are thin, entering light may strike the inside surface at greater than the critical angle, requiring attention to what?
Ans: wavelength
Q: According to Sharanghadhara, the Anupana for Triphala Guggulu in Sthaulya is:
Ans: Warm water
Q: Where are liverworts most often found?
Ans: in deserts
Q: What is the main component of optical fibers?
Ans: Glass or plastic
Q: On May 11, 2024, which country has qualified to become a member of the UN?
Ans: Palestine
Q: Which country first used machine guns in World War I?
Ans: Germany
Q: Which is ranked the most polluted country in the world in 2024?
Ans: Bangladesh
Q: Which policy targets 50% non-fossil fuel energy by 2030?
Ans: India’s renewable energy policy
Q: Where has transgender Amir Mahato been appointed as the first 'Community Health Officer'?
Ans: Jharkhand
Q: What are the two components of all solutions?
Ans: concentration and solvent
Q: What was the consumer confidence index in February 2025, per The Conference Board?
Ans: Dropped sharply
Youngistan Junction
Youngistan Junction

Welcome to Youngistan Junction, your ultimate hub for staying updated with the latest in current affairs, general knowledge, and general studies! Whether you're a student gearing up for exams or just someone passionate about expanding your knowledge, Youngistan Junction is here to provide you with an extensive collection of well-curated questions and answers.

Articles: 6683

Related Posts