A practical pursuit of alchemy was the development of metallurgy practices. As alchemists always tried to turn various metals into other things, metalworking techniques were developed even though their experiments were often unsuccessful.
Step-by-step explanation:
The previous alchemists created vital contributions to science although there beginning premises was off a touch. Their conclusions once failure would steer them into higher directions for investigation. Science isn't any quite shut observation and also the initial mistakes end in rethinking and retrying experiments.
converting "base metal" into gold.
Creating a "Philosopher's stone" that provides life eternal.