Medieval alchemists were primarily interested in finding a way to turn lead into gold, a process known as transmutation.

Oxygen was not discovered until the 18th century, so it was not studied by medieval alchemists.

Jabir ibn Hayyan, also known as Geber, was a Persian alchemist who lived in the 8th century. He is credited with developing the first known method of distilling alcohol.

The periodic table was not developed until the 19th century, so it was not a common alchemical symbol.

Jabir ibn Hayyan, also known as Geber, was a Persian alchemist who lived in the 8th century. He is credited with writing the first book on alchemy, titled The Book of the Composition of Alchemy.

Photosynthesis is a biological process, not an alchemical one.

Berthold Schwarz, also known as Constantine Anklitzen, was a German alchemist who lived in the 14th century. He is credited with developing the first known method of making gunpowder.

Salt is a common substance, but it was not typically used in alchemy.

Pseudo-Geber was a medieval alchemist who lived in the 13th century. He is credited with developing the first known method of making nitric acid.

Microscopes were not invented until the 16th century, so they were not used in medieval alchemy.

Basil Valentine was a German alchemist who lived in the 15th century. He is credited with developing the first known method of making sulfuric acid.

Chromatography is a modern technique, not an alchemical one.

Johann Glauber was a German alchemist who lived in the 17th century. He is credited with developing the first known method of making hydrochloric acid.

Understanding the chemical composition of matter was not a common alchemical goal.

Andreas Libavius was a German alchemist who lived in the 16th century. He is credited with developing the first known method of making aqua regia.