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MCQs

Total Questions : 1041 | Page 103 of 105 pages
Question 1021. Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition _______________?
  1.    Electrolysis of water
  2.    Cryogenic removal of H2 from coke oven gas
  3.    Steam reforming of naphtha
  4.    Natural gas cracking
 Discuss Question
Answer: Option A. -> Electrolysis of water
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1022. A nitrogenous fertiliser contains 20% N2. It could be_________________?
  1.    Ammonium nitrate
  2.    Calcium ammonium nitrate (CAN)
  3.    Urea
  4.    Ammonium chloride
 Discuss Question
Answer: Option B. -> Calcium ammonium nitrate (CAN)
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1023. Gas based fertiliser plants use_________________?
  1.    Natural gas as a source of hydrogen
  2.    Natural gas as heating medium
  3.    Coal gas as a source of hydrogen
  4.    Coal gas as heating medium
 Discuss Question
Answer: Option A. -> Natural gas as a source of hydrogen
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1024. Low grade coal is ______________ to produce ammonia synthesis gas?
  1.    Hydrogenated
  2.    Liquefied
  3.    Gasified
  4.    Dehydrogenated
 Discuss Question
Answer: Option C. -> Gasified
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1025. Chemical formula of meta-phosphoric acid is ___________________?
  1.    H3PO4
  2.    H4P2O7
  3.    HPO3
  4.    Same as that of Pyrophosphoric acid
 Discuss Question
Answer: Option C. -> HPO3
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1026. Main constituent of phosphate rock is_____________________?
  1.    Ammonium phosphate
  2.    Flour apatite
  3.    Calcium fluoride
  4.    Calcium phosphate
 Discuss Question
Answer: Option B. -> Flour apatite
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1027. Catalyst used in steam reforming of naphtha is ___________________?
  1.    Bauxite
  2.    Cobalt
  3.    Nickel oxide on alumina support
  4.    Chromium
 Discuss Question
Answer: Option C. -> Nickel oxide on alumina support
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1028. Liquid ammonia and 60% nitric acid reaction (which produces ammonium nitrate) is___________________?
  1.    Exothermic
  2.    Endothermic
  3.    Autocatalytic
  4.    None of these
 Discuss Question
Answer: Option A. -> Exothermic
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1029. Heating a mixture of phosphate rock, coke and sand in an electric furnace produces___________________?
  1.    Phosphoric acid
  2.    Ammonium phosphate
  3.    Phosphorous
  4.    Superphosphate
 Discuss Question
Answer: Option C. -> Phosphorous
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1030. In the manufacture of H3 PO4 (ortho); strong H2 SO4 leaching wet process as compared to electric furnace process___________________?
  1.    Uses lower grade phosphate rock
  2.    Requires lower capital investment in the plant
  3.    Produces lower purity acid
  4.    Is very costly
 Discuss Question
Answer: Option C. -> Produces lower purity acid
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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