hydrogen gas
If I am right in interpreting the question as "Are balloons normally filled with hydrogen and oxygen?", then the answer would be no. Although they can be, as both substances are gases, the majority of balloon are filled with air, a mixture of nitrogen, oxygen, carbon dioxide and other gases. If you mean the balloons that float, they are filled with helium
Noble gases are lighter than air. Hence balloons filled with noble gases will float in air.
Two of the gases that are used to fly balloons are Hydrogen and Helium. Helium is the preferred gas because Hydrogen is very explosive. The Hindenburg disaster was caused by the ignition of the Hydrogen gas that filled it.
Lighter-than-air balloons are aircraft that achieve buoyancy and rise in the atmosphere by being filled with gases that are less dense than the surrounding air, such as helium or hot air. These balloons rely on the principle of buoyancy, where the lighter gas displaces a greater weight of air, allowing them to float. Common types include hot air balloons, which use heated air, and gas balloons, which are filled with helium or hydrogen. They are often used for recreational purposes, scientific research, and advertising.
You can get helium balloons filled at party supply stores, grocery stores, or stores that specialize in balloons and party decorations.
258 helium filled balloons filled to 34 psi each
When tires or balloons are filled with gas or air, they are said to be in an inflated state.
They are filled by Hydrogen gas.
Trees take in more oxygen than balloons. Through the process of photosynthesis, trees absorb carbon dioxide and produce oxygen as a byproduct. Balloons, on the other hand, do not produce oxygen as they are typically filled with gases like helium or air.
Helium
If air is helium in balloons and oxygen is in a tank, it can be referred to as a gas mixture. Helium-filled balloons typically contain helium gas, which is lighter than air, allowing them to float. In contrast, oxygen in a tank is stored as a compressed gas, often used for medical or industrial purposes. Both helium and oxygen are important gases with distinct properties and applications.
air and helium