Chapter-4 - 11th - Liquids and Solids Preparation Multiple Questions and Answers.




56.Isomorphic substances have
A. Same physical and chemical properties
B. Same physical and different chemical properties
C. Different physical and same chemical properties
D. Different physical and chemical properties

57.If a physical and chemical change takes place at a constant pressure then the heat change during the process is called
A. Heat of transition
B. Heat of fusion
C. Enthalpy change
D. All of above

58.The pressure during the molar heat of fusion is kept
A. 0 atmosphere
B. one atmosphere
C. 2 atmosphere
D. 10 atmosphere

59.The amount of heat absorbed when one mole of a liquid is changed into gas at its boiling point is
A. The molar heat of sublimation
B. The molar heat of fusion
C. The molar heat of vaporization
D. Latent heat of that liquid

60.All the enthalpy changes are
A. Negative
B. Positive
C. May or may not be a or b
D. None of above

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