A pure solid usually melts _______
A pure solid usually melts _______
- A).over a wide range of temperature
- B) over a narrow range of temperature
- C) at a lower temperature than the impure one
- D) at the same temperature as the impure one
Correct Answer: B) over a narrow range of temperature
Explanation
This question is asking about the melting behavior of a pure solid. When a solid is heated, it can change into a liquid through a process called melting. The question wants to know whether a pure solid usually melts over a wide range of temperature or a narrow one.The correct answer is Option B: over a narrow range of temperature. A pure solid usually melts over a narrow range of temperature because it has a specific melting point. This means that the temperature at which it changes from solid to liquid is very precise and doesn't vary much.
In contrast, an impure solid may have a lower melting point and may melt over a wider range of temperature than a pure solid. This is because impurities can disrupt the crystal structure of the solid and make it more difficult for the solid to transition to a liquid state at a specific temperature.
Understanding the melting behavior of solids is important in many areas of Chemistry, including materials science, geochemistry, and environmental chemistry. Different substances have different melting points, and this can affect how they are used or processed in different industries.
To learn more about this, please read the relevant sections of the recommended textbooks.