Carbon dioxide is given off with dry ice. Carbon dioxide in compressed form is in solid state and is called dry ice.
sublimation e.g dry ice to gas (CO2)
If you heat dry ice, it turns in to CO2 gas. This is easily seen when you put dry ice in to hot water. You see tons of tiny CO2 gas bubbles popping up.
There is no ice escaping. Rather the dry ice is becoming a gas. It's called sublimation.
It is called "dry" because when heat is given, it sublimes (turns from a solid into a gas). This is different from actual ice that turns from a solid to a liquid. It is called "ice" because solid carbon dioxide (dry ice) is very cold, similar to ice.
Dry ice decreases in size, because it is sublimating. This means it is turning from a solid in to a gas. Where as regular ice melts in to a puddle of liquid water, dry ice evaporates in to CO2 gas.
The gas given off is carbon dioxide, so it is not safe at all.
dry ice
Dry ice changes from a solid to a gas state without being a liquid.
Because dry ice evaporates.
Dry ice is transformed by sublimation in carbon dioxide gas.
Dry ice does not contain plasma. Dry ice is solid carbon dioxide, while plasma is an ionized gas where the atoms have lost or gained electrons. Dry ice sublimates directly from a solid to a gas without passing through a liquid phase.
Dry ice