What was the Phlogiston Theory that was eventually disproven?

A. A theory explaining that everything that is able to burn has to have phlogiston.
B. A theory explaining the movement of tectonic plates.
C. A theory explaining the type of gas released during photosynthesis.
D. A theory explaining what acts as a catalyst in a chemical reaction.



Answer :

Final answer:

The Phlogiston Theory in chemistry explained the presence of phlogiston in combustible materials, which was later disproven due to various observations.


Explanation:

The Phlogiston Theory was a theory in chemistry that explained combustible materials as containing phlogiston, a substance released during burning. It posited that combustible bodies lost phlogiston during combustion, with the remaining residue termed as calx. However, it was later disproven due to observations like metals gaining weight during rusting, contrary to the theory's predictions.


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