Does air contain hydrogen?
Yes, but in such a very small amount that it is barely worth mentioning. Most of air is comprised of oxygen and nitrogen.
true Not very much, approx. 0,000055 %. Hydrogen and helium are the two elements you're LEAST likely to find in air - helium because it just floats off into outer space, and hydrogen because it reacts with other elements so readily.
Hydrogen is not made from air. Hydrogen is an element, which means it can't be separated into any other substances without losing its properties, while air is a mixture of many different gases. Normal air doesn't naturally contain very much Hydrogen, and is composed mostly of diatomic Nitrogen (molecules containing two atoms of Nitrogen). Air contains some Water, which is H2O, and H = Hydrogen. There isn't much Hydrogen in the air, but you can…