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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

All Topics  9594

Which of the following fertilisers is needed for promoting the development of leaves and stems during early stages of plant growth ?
A Nitrogenous fertiliser
B Potassic fertiliser
C Phosphatic fertiliser
D None of these
Correct Answer: Nitrogenous fertiliser
Ammonium sulphate fertiliser is __________________?
A The highest concentration nitrogenous fertiliser
B The best fertiliser for paddy
C A basic fertiliser
D A neutral fertiliser
Correct Answer: The best fertiliser for paddy
Urea (a nitrogenous fertiliser) is produced from carbon dioxide and__________________?
A Nitric acid
B Ammonia
C Ammonium nitrate
D Nitric oxide
Correct Answer: Ammonia
Two gas based fertiliser plants are located in India are_________________?
A Maharashtra and Gujarat
B Maharashtra and Orissa
C Gujarat and Madhya Pradesh
D Jharkhand and Chhattisgarh
Correct Answer: Maharashtra and Gujarat
Yield of elemental phosphorous from rock phosphate is about _____________ percent?
A 1-2
B 15-25
C 40-45
D 60-65
Correct Answer: 15-25
Pick out the wrong statement?
A Loamy soil is the best soil for vigorous plant growth, while the clayey soil is solid and hence
B Large excess use of nitrogenous fertiliser in land causes the problem of diarrhoea and cyanosis
C Application of large excess of Potassic fertiliser in soil increases the valuable carotene in
D Cereal crops grown on alkaline soil absorb higher amount of fluorides thereby spreading
Correct Answer: Application of large excess of Potassic fertiliser in soil increases the valuable carotene in
Pick out the wrong statement?
A Yellow phosphorous which is the most reactive allotropic form of phosphorous is transported
B Apatite is the principal material present in phosphate rock which is chemically Ca10 (PO4)6 (F,
C Urea is more hygroscopic than ammonium nitrate
D Nitrogen fixation means the process of bringing atmospheric nitrogen into combination i.e.
Correct Answer: Urea is more hygroscopic than ammonium nitrate
Pick out the wrong statement?
A Dehydration of ammonium carbamate to produce urea is endothermic
B Direct use of liquid ammonia as a fertiliser for a tropical country like India is suitable
C Gypsum (CaSO4. 2H2O) is obtained as a by-product in the wet process for manufacture of
D Phosphate rock when reacted with dilute H2SO4 produces superphosphate
Correct Answer: Direct use of liquid ammonia as a fertiliser for a tropical country like India is suitable
Pick out the wrong statement ?
A Nitrogen is normally supplied in fertiliser either in Ammoniacal or the nitrate form, from
B Calcium present in the fertiliser helps in correcting the soil acidity
C Particle size range of a good granular fertiliser is 10-15 mesh and it contains less moisture as
D Ammonium nitrate fertiliser is obtained as a by-product in an integrated steel plant having byproduct
Correct Answer: Ammonium nitrate fertiliser is obtained as a by-product in an integrated steel plant having byproduct
Pick out the wrong statement ?
A ‘Green acid’ is the other name of phosphoric acid produced by the reaction of phosphate rock
B Chemically unreactive nature of red phosphorous is due to its polymeric structure
C Red phosphorous is the most reactive allotropic form of phosphorous
D Red phosphorous, which is used in the manufacture of safety matches, is converted into white
Correct Answer: Red phosphorous is the most reactive allotropic form of phosphorous
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