Fe2O3
Iron oxide (ferric oxide)
Iron is oxidized and rusting appear.
carbon dioxide
Small area storms formed by the strong upward movement of warm, moist air are called storm surges.
It covers the steel, which is mostly iron, so that it is not exposed to oxygen in the air. Rust is iron oxide, a compound formed when iron reacts with oxygen in the atmosphere. If the steel is not exposed to oxygen, it will not rust.
Iron oxide (ferric oxide)
Copper (Cu) is the element that turns green when exposed to moist air.
The moist cloth will start to cool
Iron is oxidized and rusting appear.
Na2S, also known as sodium sulfide, is a chemical compound that, when exposed to moist air, smells like rotten eggs. It not only causes skin burns, but it is toxic.
When carbon is exposed to air nothing happens.
PHYSICAL
Small area storms formed by the strong upward movement of warm, moist air are called storm surges.
a tornado is formed by a very severe thunderstorm for a tornado to form it has to have warm and moist air.
Rust is formed in metals when it exposed to oxygen and moisture in air and in the presence of acid.
carbon dioxide
Small area storms formed by the strong upward movement of warm, moist air are called storm surges.