It also reacts with water to make oxygen and hydrofluoric acid.

Making air or oxygen with a few percent ozone in it isn't too hard.

When the bottles make oxygen, by mixing two chemicals, the reaction also produces heat.

If plants hadn't started making oxygen, animal life would never have evolved.

This method is often used to make oxygen in laboratories.

For several hundred million years, they were the only things on the planet, blue-green algae that popped away making oxygen.

It is a potent vasodilator that makes more oxygen available to the heart muscle.

"I thought you said you could make oxygen aboard the ship."

Not that making oxygen was going to need anything exotic.

It breaks down when heated to make mercury and oxygen.