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What is the temperature of absolute zero?

Answer
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Hint: We need to know that temperature is one of the important parameters in chemistry. There are three units for measuring the temperature. There are degrees Celsius, kelvin and Fahrenheit. Exothermic and endothermic reactions are based on temperature. If the temperature of the reaction decreases, that reaction is called an endothermic reaction. If the temperature of the reaction increases, that reaction is called an exothermic reaction.

Complete answer:
We need to know the measuring purpose of the temperature so many scales are available. There are degrees Celsius scale, Kelvin scale and Fahrenheit scale. In general, the Celsius scale is used for measuring the human body temperature. Generally Fahrenheit scale is used for measuring the environment temperature in the world. In general Kelvin scale is used for measuring the study of chemical reaction and rate of the chemical reaction in temperature by using thermodynamics.
The absolute zero of temperature is not able to be measured in degree Celsius scale and Fahrenheit scale. Because temperatures lower than zero degree Celsius on the zero degree Celsius scale and zero degree Fahrenheit on the Fahrenheit scale are seen. These kinds of temperatures are seen in the winter season around the world. But lower than zero kelvin is impossible in the world. The lowest temperature in the world is zero kelvin.
Formula for convert degree Celsius to kelvin in temperature
\[{\text{kelvin = degree + 273}}\]
According to the above discussion we conclude the absolute zero of temperature is zero kelvin.

Note:
We have to know that the kraft temperature is also used in phase change of surfactant. We can predict Below the Kraft temperature which surfactant remains in solid form even in solvent. The cloud point of temperature and Kraft temperature are also visually similar by visually. Because, due to the flocculation, surfactants in the solution become cloudy or opaque in nature. In general, surfactants are made up of a long chain of hydrocarbon atoms and a polar head group. Increasing the length of the chain of hydrocarbon atoms the Kraft temperature also increases. Because the Kraft temperature also improves or increases van der Waals force.