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MCQs

Total Questions : 360 | Page 7 of 36 pages
Question 61. Photochemical smog, an oxidizing smog, having a high concentration of
  1.    Reactants
  2.    Oxidants
  3.    NOX
  4.    SOx
 Discuss Question
Answer: Option B. -> Oxidants
Answer: (b).Oxidants
Question 62. Which chronic poisoning causes paralysis and difficulty in breathing?
  1.    Fluorine Poisoning
  2.    Lead Poisoning
  3.    NOx
  4.    SOx
 Discuss Question
Answer: Option B. -> Lead Poisoning
Answer: (b).Lead Poisoning
Question 63. How many types of inversion?
  1.    2
  2.    4
  3.    5
  4.    3
 Discuss Question
Answer: Option A. -> 2
Answer: (a).2
Question 64. Motor vehicles emit large quantities of CO, HCs, and
  1.    Oxides of Nitrogen
  2.    SOx
  3.    NOx
  4.    CO₂
 Discuss Question
Answer: Option A. -> Oxides of Nitrogen
Answer: (a).Oxides of Nitrogen
Question 65. HCs are thermodynamically not stable towards
  1.    Acidification
  2.    Decomposition
  3.    Reduction
  4.    Oxidation
 Discuss Question
Answer: Option D. -> Oxidation
Answer: (d).Oxidation
Question 66. Which gas provides carbonation in soft drinks and beverages?
  1.    Carbon dioxide
  2.    Oxygen
  3.    Argon
  4.    Methane
 Discuss Question
Answer: Option A. -> Carbon dioxide
Answer: (a).Carbon dioxide
Question 67. What is atmospheric life of CO?
  1.    1 and a half month
  2.    8 and a half month
  3.    2 and a half month
  4.    5 and a half month
 Discuss Question
Answer: Option C. -> 2 and a half month
Answer: (c).2 and a half month
Question 68. Which gas helps in raising equilibrium temperature of earth?
  1.    CO₂
  2.    Methane
  3.    Argon
  4.    Oxygen
 Discuss Question
Answer: Option B. -> Methane
Answer: (b).Methane
Question 69. Exposure to H₂S for a short period, causes
  1.    Vomiting
  2.    Mortality
  3.    Fatigue
  4.    Unconsciousness
 Discuss Question
Answer: Option C. -> Fatigue
Answer: (c).Fatigue
Question 70. Natural ozone in 'stratosphere' absorbs harmful
  1.    Air pollution
  2.    Ultraviolet Radiations
  3.    Smoke
  4.    Dust particles
 Discuss Question
Answer: Option B. -> Ultraviolet Radiations
Answer: (b).Ultraviolet Radiations

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