My Mage in Rebirth Knows Chemistry

After I dropped out of high school, I worked at a construction site. Unfortunately, I lost my life due to an accident. Fortunately, he lived another life in another world full of magic. Now, coming to a technological civilization, I wonder how to survive in a magical civilization, and what kind of sparks will chemistry and magic collide with... Is it the hydrogen gas that electrolyzes water or the "bone spirit cold fire" of inert gas? These need to be explored step by step... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.