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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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.

____________ catalyst is used in the production of urea from CO2 and NH3?

A Vanadium pentoxide

B No

C Alumina

D Nickel

Review Detailed Answer

Correct Answer: No

Triple superphosphate is made by reacting phosphate rock with _____________ acid?

A Phosphoric

B Nitric

C Sulphuric

D Hydrochloric

Review Detailed Answer

Correct Answer: Phosphoric

The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is _____________ fertiliser?

A Nitrogenous

B Phosphatic

C Potassic

D None of these

Review Detailed Answer

Correct Answer: Phosphatic

Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils ?

A Urea

B CAN

C Ammonium sulphate

D Calcium cyanamide

Review Detailed Answer

Correct Answer: Calcium cyanamide

Catalytic ammonia synthesis reaction as in Haber’s process is_________________?

A Endothermic

B Exothermic

C Irreversible

D None of these

Review Detailed Answer

Correct Answer: Exothermic

H4P2O7 is the chemical formula of _____________ phosphoric acid?

A Pyro

B Ortho

C Meta

D None of these

Review Detailed Answer

Correct Answer: Pyro

-10-5 fertilisers mean that they contain______________?

A 5, 10, 5% respectively of N2, P2O5 and K2O

B Only 5 to 10% active fertiliser constituents

Review Detailed Answer

Correct Answer: 5, 10, 5% respectively of N2, P2O5 and K2O

Reaction of anhydrous liquid ammonia with ortho-phosphoric acid produces____________________?

A Ammonium phosphate

B Superphosphate

C Triple superphosphate

D None of these

Review Detailed Answer

Correct Answer: Ammonium phosphate

In ammonia synthesis (N2 + 3H2 = 2NH3), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should be carried out at________________?

A Low pressure

B High pressure

C Very high temperature

D Atmospheric pressure; as the pressure has no effect on conversion

Review Detailed Answer

Correct Answer: High pressure

Nitric acid is produced on commercial scale in a fertiliser plant by___________________?

A Oxidation of ammonia

B CaNO3 + H2SO4 reaction

C Passing air through high voltage electric arc

D None of these

Review Detailed Answer

Correct Answer: Oxidation of ammonia

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

____________ catalyst is used in the production of urea from CO2 and NH3?

Triple superphosphate is made by reacting phosphate rock with _____________ acid?

The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is _____________ fertiliser?

Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils ?

Catalytic ammonia synthesis reaction as in Haber’s process is_________________?

H4P2O7 is the chemical formula of _____________ phosphoric acid?

-10-5 fertilisers mean that they contain______________?

Reaction of anhydrous liquid ammonia with ortho-phosphoric acid produces____________________?

In ammonia synthesis (N2 + 3H2 = 2NH3), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should be carried out at________________?

Nitric acid is produced on commercial scale in a fertiliser plant by___________________?