Question

What is liquid nitrogen??

What is solid CO2??


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Answer 1

1. Liquid nitrogen—LN₂—is nitrogen in a liquid state at low temperature. Liquid nitrogen has a boiling point of about −195.8 °C. It is produced industrially by fractional distillation of liquid air. It is a colorless, low viscosity liquid that is widely used as a coolant.
2. Dry Ice is the common name for solid carbon dioxide (CO2). It gets this name because it does not melt into a liquid when heated; instead, it changes directly into a gas (a process known as sublimation).

Answer 2

Explanation:

Liquid nitrogen—LN₂—is nitrogen in a liquid state at low temperature. Liquid nitrogen has a boiling point of about −195.8 °C. It is produced industrially by fractional distillation of liquid air. It is a colorless, low viscosity liquid that is widely used as a coolant. 

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