Question

write the observations of presity's experiment​

Answer 1

Answer:

Discovery of Oxygen

Explanation:

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.

Answer 2

Answer:

Priestley's first volume of Experiments and Observations on Different Kinds of Air outlined several important discoveries: experiments that would eventually lead to the discovery of photosynthesis

and the discovery of several airs: "nitrous air" (nitric oxide, NO), "vapor of spirit of salt" (later called "

acid air").

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