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Choose correct statement/s:           
  • a)
    Phase diagram is only up to critical temp           
  • b)
    Phase diagram is sum of infinite cooling curves           
  • c)
    Freezing point of solutions are not constant           
  • d)
    Cooling curve is not phase diagram
Correct answer is option 'A,B,C,D'. Can you explain this answer?
Most Upvoted Answer
Choose correct statement/s:a)Phase diagram is only up to critical temp...
Explanation:

Phase diagram is a graphical representation of the relationship between temperature, pressure, and the phases of a substance. The correct statements about phase diagram, cooling curve, and freezing point of solutions are:

Phase Diagram:

  • Option A: The phase diagram shows the relationship between temperature and pressure for a substance. It includes the critical temperature, which is the highest temperature at which a gas can be liquefied by increasing pressure.

  • Option B: The phase diagram is not the sum of infinite cooling curves. It shows the equilibrium state of a substance at a given temperature and pressure, while the cooling curve only shows the change in temperature of a substance as it cools.



Cooling Curve:

  • Option D: A cooling curve is a graphical representation of the change in temperature of a substance as it cools. It does not show the relationship between temperature and pressure, nor does it show the phases of a substance.



Freezing Point of Solutions:

  • Option C: The freezing point of solutions is not constant. It depends on the concentration of the solute in the solvent. The addition of a solute lowers the freezing point of a solution, a phenomenon known as freezing point depression.



Therefore, all the given options A, B, C, and D are correct statements about phase diagram, cooling curve, and freezing point of solutions.
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Choose correct statement/s:a)Phase diagram is only up to critical tempb)Phase diagram is sum of infinite cooling curvesc)Freezing point of solutions are not constantd)Cooling curve is not phase diagramCorrect answer is option 'A,B,C,D'. Can you explain this answer?
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