Alchemy
first used in treatise of Julius Firmicus, and astrological writer of the 4 century.
7)why did it fall into disrepute?
It fell into disrepute, because alchemists became obsessed with their quest for
the secret of transmutation, some used false methods of experimentations and
many gained living from patrons.
8)which methods did they use to turn metals into gold?
They thought that lead could be improved into gold, they tried to speed up this
process by heating and refininf the metal in a varietu of chemical processes,
most of which were kept secret.
9)where was alchemy practiced?
Alchemy was practiced from China and India to Greece, it migrated to egypt
during hellenistic period and was later revived in the 12th-century Europe
10)which discoveries did they make?
Alchemists made some useful discoveries- mineral acids, alcohol, their
experimentations led to the development of pharamacology and the rise of
modern chemistry.