Hydrogen and water

This was the discovery that when hydrogen is burned, it produces water. This finding further elucidated the composition of water, demonstrating the process in which hydrogen gas combined with oxygen to form water.
 Henry Cavendish England 1784 Hydrogen and water

This was the discovery that when hydrogen is burned, it produces water. This finding further elucidated the composition of water, demonstrating the process in which hydrogen gas combined with oxygen to form water.