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MCQs

Total Questions : 98 | Page 7 of 10 pages
Question 61. What is the number of components in a system with 3 degrees of freedom and 2 phases?
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option C. -> 3
Answer: (c).3
Question 62. What is the number of phases in a system with 2 degrees of freedom and 2 components?
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option B. -> 2
Answer: (b).2
Question 63. What is the degree of freedom of a system with 3 phases and 5 components?
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option D. -> 4
Answer: (d).4
Question 64. According to Henry’s Law, what is the fraction of a gas with partial pressure p and Henry’s constant H?
  1.    p*H
  2.    p/H
  3.    p + H
  4.    p – H
 Discuss Question
Answer: Option B. -> p/H
Answer: (b).p/H
Question 65. What is the fraction of a gas in a system with partial pressure 10 mm Hg, H = 25 mm Hg?
  1.    0.1
  2.    0.2
  3.    0.3
  4.    0.4
 Discuss Question
Answer: Option D. -> 0.4
Answer: (d).0.4
Question 66. What is the partial pressure of a 70% gas in a system, if H = 5 mm Hg?
  1.    3.5 mm Hg
  2.    7 mm Hg
  3.    14 mm Hg
  4.    35 mm Hg
 Discuss Question
Answer: Option A. -> 3.5 mm Hg
Answer: (a).3.5 mm Hg
Question 67. A 40% gas in a system has partial pressure 4 atm, what is Henry’s constant?
  1.    1.6 atm
  2.    4 atm
  3.    10 atm
  4.    16 atm
 Discuss Question
Answer: Option C. -> 10 atm
Answer: (c).10 atm
Question 68. What is the partial pressure of a 10% gas in a system, if H = 2 mm Hg?
  1.    0.1 mm Hg
  2.    0.2 mm Hg
  3.    0.3 mm Hg
  4.    0.4 mm Hg
 Discuss Question
Answer: Option B. -> 0.2 mm Hg
Answer: (b).0.2 mm Hg
Question 69. What is the K value of a gas with partial pressure 10 atm and total pressure of the system is 50 atm?
  1.    0.1
  2.    0.2
  3.    100
  4.    500
 Discuss Question
Answer: Option B. -> 0.2
Answer: (b).0.2
Question 70. What is the total pressure of a system having 50% H₂CO₃ with 6 atm partial pressure and 50% O₂ with 12 atm partial pressure?
  1.    3 atm
  2.    6 atm
  3.    9 atm
  4.    12 atm
 Discuss Question
Answer: Option C. -> 9 atm
Answer: (c).9 atm

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