Uses of Oxygen Quiz

Planes carry oxygen supplies, divers and astronauts use oxygen, hospitals use oxygen for patients with breathing problems, oxygen is used in steel works, and in oxy-acetylene torches for cutting and welding metal.

Liquid nitrogen is used to quick-freeze food in food factories.

Nitrogen is used in hospitals to store tissue samples.

<p>Nitrogen is flushed through food packaging to remove oxygen and keep the food fresh.</p> Signup and view all the answers

<p>Argon provides the inert atmosphere in tungsten light bulbs to prevent the tungsten filament from burning away.</p> Signup and view all the answers

<p>Neon is used in advertising signs because it glows red when a current is passed through it.</p> Signup and view all the answers

<p>Helium is used to fill balloons because it is very light and safe.</p> Signup and view all the answers

<p>An oxygen tent in hospitals fits over the bed and pumps oxygen-rich air into it for patients with breathing problems.</p> Signup and view all the answers

<p>To convert harmful gases into harmless gases by speeding up reactions using catalysts.</p> Signup and view all the answers

<p>Oxides of nitrogen, carbon monoxide, and unburnt hydrocarbons.</p> Signup and view all the answers

<p>Platinum, palladium, and rhodium.</p> Signup and view all the answers

<p>They are adsorbed onto the surface of catalysts.</p> Signup and view all the answers

<p>They flow out of the exhaust pipe.</p> Signup and view all the answers

<p>2NO (g) → N2 (g) + O2 (g)</p> Signup and view all the answers