Question

How long has hydrogen been around?

Answer 1

Explanation:

16th century. c. 1520 – First recorded observation of hydrogen by Paracelsus through dissolution of metals (iron, zinc, and tin) in sulfuric acid. This is the answer please give some points

Answer 2

Answer:

In 1839, the first fuel cell was conceived by Sir William Robert Grove, a Welsh judge, inventor, and physicist. He mixed hydrogen and oxygen in the presence of an electrolyte and produced electricity and water. The invention, which later became known as a fuel cell, didn't produce enough electricity to be useful.