No because physical states of matter changes are physical changes. they are not chemical changing meaning it is still alcohol, just frozen.
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Freezing alcohol does not change its molecular structure, as the freezing process only solidifies the alcohol into a different state of matter without altering its chemical composition.
Yes, boiling alcohol and considering the vapor is a physical change as it does not alter the chemical structure of the alcohol molecules. The alcohol vapor can be condensed back into liquid alcohol without undergoing a chemical change.
When alcohol undergoes a chemical reaction, it can produce a colored substance due to the formation of new molecules with specific light-absorbing properties. This change in molecular structure can lead to the absorption and reflection of certain wavelengths of light, resulting in the perception of color.
This process is called solidification or freezing. When a substance loses heat energy and its particles slow down enough to form a rigid structure, it changes from a liquid to a solid state.
Microwave ovens can cause molecular changes by agitating water molecules in food, leading to heating. They do not change the molecular structure of the food itself, but can affect nutrients like vitamins and antioxidants due to heating. It's still a debated topic in the scientific community.
Washing clothes is a physical change, not a chemical change. The dirt and stains on the clothes are being physically removed, but the molecular structure of the clothes remains the same.