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Total Questions : 194 | Page 6 of 20 pages
Question 51. Heat capacity of water is
  1.    83.02 KJ/K
  2.    84.02 KJ/K
  3.    85.02 KJ/K
  4.    86.02 KJ/K
 Discuss Question
Answer: Option D. -> 86.02 KJ/K
Answer: (d).86.02 KJ/K
Question 52. The continuous physical force exerted on or against an object by something in contact with it, is termed as
  1.    Temperature
  2.    Pressure
  3.    Volume
  4.    Amount
 Discuss Question
Answer: Option B. -> Pressure
Answer: (b).Pressure
Question 53. Molar heat of vaporization of water is
  1.    20.6 KJ/mol
  2.    30.6 KJ/mol
  3.    40.6 KJ/mol
  4.    50.6 KJ/mol
 Discuss Question
Answer: Option C. -> 40.6 KJ/mol
Answer: (c).40.6 KJ/mol
Question 54. The unit of specific heat is
  1.    J/Kg
  2.    KJ/L
  3.    KJ/K
  4.    Kcal/L
 Discuss Question
Answer: Option A. -> J/Kg
Answer: (a).J/Kg
Question 55. In standard states, enthalpies of all the elements are
  1.    Always positive
  2.    Always negative
  3.    Zero
  4.    Unity
 Discuss Question
Answer: Option C. -> Zero
Answer: (c).Zero
Question 56. The quantity of heat q is evolved or absorbed during the reaction is given by
  1.    m x s x ΔT
  2.    v x s x T
  3.    m x Δs x T
  4.    Δm x s x T
 Discuss Question
Answer: Option A. -> m x s x ΔT
Answer: (a).m x s x ΔT
Question 57. In halogens, iodine has biggest size and
  1.    Great polarizability
  2.    Low polarizability
  3.    Low Ionization energy
  4.    Great ionization
 Discuss Question
Answer: Option A. -> Great polarizability
Answer: (a).Great polarizability
Question 58. The amount of heat absorbed when one mole of gaseous atoms are formed from the element is
  1.    Enthalpy of Reaction
  2.    Enthalpy of atomization
  3.    Enthalpy of formation
  4.    Enthalpy of combustion
 Discuss Question
Answer: Option B. -> Enthalpy of atomization
Answer: (b).Enthalpy of atomization
Question 59. The amount of heat evolved when one mole of a substance is completely burnt in oxygen is
  1.    Enthalpy of combustion
  2.    Enthalpy of reaction
  3.    Enthalpy of atomization
  4.    Enthalpy of solution
 Discuss Question
Answer: Option A. -> Enthalpy of combustion
Answer: (a).Enthalpy of combustion
Question 60. Hf of ice is
  1.    2 KJ/mol
  2.    4 KJ/mol
  3.    6KJ/mol
  4.    8 KJ/mol
 Discuss Question
Answer: Option C. -> 6KJ/mol
Answer: (c).6KJ/mol

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