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MCQs

Total Questions : 1041 | Page 14 of 105 pages
Question 131. Catalyst used in desulphurisation of naphtha is
  1.    Co-Mo
  2.    Pt-Rh
  3.    Silica gel
  4.    Nickel
 Discuss Question
Answer: Option A. -> Co-Mo
Question 132. Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis?
  1.    H? separation from coke oven gas
  2.    Steam reforming of naphtha
  3.    Cracking of natural gas
  4.    Electrolysis of water
 Discuss Question
Answer: Option D. -> Electrolysis of water
Question 133. Fauser Monte Catini converter is used for
  1.    Ammonia synthesis (e.g. at FCI Sindri)
  2.    Methanation of CO and CO₂
  3.    Shift conversion (i.e. CO to CO₂)
  4.    None of these
 Discuss Question
Answer: Option A. -> Ammonia synthesis (e.g. at FCI Sindri)
Question 134. Nitrogen content of calcium ammonium nitrate (CAN) is __________ percent.
  1.    10
  2.    25
  3.    50
  4.    80
 Discuss Question
Answer: Option B. -> 25
Question 135. Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an __________ reaction.
  1.    Catalytic
  2.    Endothermic
  3.    Exothermic
  4.    Autocatalytic
 Discuss Question
Answer: Option C. -> Exothermic
Question 136. P₂O₅ content in triple superphosphate is about __________ percent.
  1.    42-50
  2.    15-20
  3.    85-90
  4.    70-75
 Discuss Question
Answer: Option A. -> 42-50
Question 137. P₂O₅ content in superphosphate is about __________ percent.
  1.    30-35
  2.    15-20
  3.    65-70
  4.    85-90
 Discuss Question
Answer: Option B. -> 15-20
Question 138. Yield of elemental phosphorous from rock phosphate is about __________ percent.
  1.    1-2
  2.    15-25
  3.    40-45
  4.    60-65
 Discuss Question
Answer: Option B. -> 15-25
Question 139. Tricresyl phosphate is chemically represented as
  1.    (CH₃ C₆ H₄)₃ PO₄
  2.    Ca₁₀(PO₄)3F₆
  3.    (NH₄)₂HPO₄
  4.    NH₄H₂PO₄
 Discuss Question
Answer: Option A. -> (CH₃ C₆ H₄)₃ PO₄
Question 140. Triple superphosphate is chemically represented as
  1.    CaF₂.3Ca₃(PO₄)₂
  2.    3Ca₃(PO₄)₂
  3.    Ca(PO₃)₂
  4.    Ca(H₂PO₄)₂
 Discuss Question
Answer: Option A. -> CaF₂.3Ca₃(PO₄)₂

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