Question

A cool liquid nitrogen is cooled even further until it freezes.
Why it is a physical change or chemical change? Explain briefly.

Answer 1

Answer:

here it is

Explanation:

Change is happening all around us all of the time. Just as chemists have classified elements and compounds, they have also classified types of changes. Changes are either classified as physical or chemical changes. Chemists learn a lot about the nature of matter by studying the changes that matter can undergo. Chemists make a distinction between two different types of changes that they study - physical changes and chemical changes.

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