The process invented in 1864 to reduce the amount of bacteria in liquids and foods by heating them to high temperatures is called

 The key is a process called pasteurization

All the elements are arranged by melting points on the periodic table. in row they go from metals to gasses. in the row from sodium to argon, sodium is more reactive than the one on its right, magnesium.

Ibelieve its because the stove is a cleaner burning fuel