describe Joseph priestleys experiment for establishment of photosynthesis
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Joseph Priestley's experiment
Discovery of Oxygen:
On August 1, 1774, Priestley conducted his most famous experiment. Using a 12-inch- wide glass lens, he focused sunlight on a lump of mercuric oxide in an inverted glass container placed in a pool of mercury.
Several centuries later, Joseph Priestley (1733 - 1804) carried out an experiment that showed that plants produce oxygen. He put a mint plant in a closed container with a burning candle. The candle flame used up the oxygen and went out. After 27 days, Priestley was able to re-light the candle.
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