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What theory did Priestley defend, despite its eventual rejection?

  • Phlogiston Theory

  • Atomic Theory

  • Cell Theory

  • Heliocentrism

Answer

Joseph Priestley was a strong defender of the phlogiston theory, which was a widely accepted theory in the 18th century that attempted to explain combustion and oxidation processes. However, Theory was eventually replaced by the modern understanding of oxidation and reduction reactions.
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The Priestly Pursuit: How Well Do You Know Joseph Priestley?

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