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MCQs

Total Questions : 173 | Page 6 of 18 pages
Question 51. On a large scale, ammonia is produced at an industrial level through
  1.    Haber process
  2.    Contact process
  3.    Nucleophilic reactions
  4.    Electrophilic reactions
 Discuss Question
Answer: Option A. -> Haber process
Answer: (a).Haber process
Question 52. The cost of apparatus which can withstand high pressures above 30,000 kPa is extremely
  1.    low
  2.    high
  3.    efficient
  4.    not possible
 Discuss Question
Answer: Option B. -> high
Answer: (b).high
Question 53. The production of a large quantity of ammonia is done by increasing
  1.    pressure
  2.    temperature
  3.    catalyst
  4.    humidity
 Discuss Question
Answer: Option A. -> pressure
Answer: (a).pressure
Question 54. Ammonia gas is produced by heating ammonium salt with
  1.    acid
  2.    base
  3.    alcohol
  4.    water
 Discuss Question
Answer: Option B. -> base
Answer: (b).base
Question 55. The last stage of production of ammonia is condensed and collected in state of
  1.    solid
  2.    liquid
  3.    gas
  4.    vapor
 Discuss Question
Answer: Option B. -> liquid
Answer: (b).liquid
Question 56. Some people believe that blue babies are born due to water containing
  1.    nitrates
  2.    oxygen
  3.    nitrogen
  4.    hydrogen
 Discuss Question
Answer: Option A. -> nitrates
Answer: (a).nitrates
Question 57. A grown algae of bloom can be for others plant a blockage of
  1.    light
  2.    heat
  3.    air
  4.    water
 Discuss Question
Answer: Option A. -> light
Answer: (a).light
Question 58. As nitrogen oxides (NO, NO₂) are pollutants they cause
  1.    acid rain only
  2.    photochemical smog only
  3.    lung cancer
  4.    acid rain and photochemical smog
 Discuss Question
Answer: Option D. -> acid rain and photochemical smog
Answer: (d).acid rain and photochemical smog
Question 59. The main catalyst which was used in Haber process was
  1.    copper
  2.    silver
  3.    iron
  4.    carbon
 Discuss Question
Answer: Option C. -> iron
Answer: (c).iron
Question 60. Nitric acid (HNO₃) is used in manufacture of
  1.    paints
  2.    detergents
  3.    dyes
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above

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