Fertiliser Technology MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Fertiliser Technology, a fundamental topic in the field of Basic Chemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Fertiliser Technology MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Fertiliser Technology mcq questions that explore various aspects of Fertiliser Technology problems. Each MCQ is crafted to challenge your understanding of Fertiliser Technology principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Chemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Fertiliser Technology MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Fertiliser Technology. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Fertiliser Technology knowledge to the test? Let's get started with our carefully curated MCQs!

Fertiliser Technology MCQs | Page 8 of 21

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Q71.
Maximum stability of white phosphorous is at

a.

very high pressure

b.

atmospheric pressure

c.

room temperature

d.

>600°C

Discuss
Answer: (d).>600°C
Q72.
Potassic fertilisers do not promote the development of

a.

stems & leaves during early stage of plant growth.

b.

starches of potatoes & grains.

c.

sugar of fruits & vegetables.

d.

fibrous materials of plants.

Discuss
Answer: (a).stems & leaves during early stage of plant growth.
Q73.
The optimum size of the ammonia plant is __________ tons/day.

a.

10

b.

100

c.

1000

d.

1000C.

Discuss
Answer: (c).1000
Q74.
Main component of bone ash is

a.

calcium sulphate

b.

calcium phosphate

c.

calcium carbonate

d.

sodium phosphate

Discuss
Answer: (b).calcium phosphate
Q75.
Multistage operation (as in the case of catalytic oxidation of SO₂) is not carried out for NH₃ synthesis, because of

a.

comparatively higher pressure drop.

b.

high cost of the high pressure vessel used for the reactor.

c.

higher pumping cost.

d.

chances of entrainment and disturbance of catalyst bed.

Discuss
Answer: (b).high cost of the high pressure vessel used for the reactor.
Q76.
Heating of orthophosphoric acid to about 900°C, produces

a.

metaphosphoric acid

b.

pyrophosphoric acid

c.

no change in it

d.

none of these

Discuss
Answer: (a).metaphosphoric acid
Q77.
Reaction of phosphate rock with 98% H₂SO₄ produces

a.

orthophosphoric acid

b.

superphosphate

c.

white phosphorous

d.

none of these

Discuss
Answer: (a).orthophosphoric acid
Q78.
HPO₃ is the chemical formula of __________ phosphoric acid.

a.

pyro

b.

ortho

c.

meta

d.

none of these

Discuss
Answer: (c).meta
Q79.
Both white phosphorous as well as red phosphorous

a.

are soluble in CS₂.

b.

burns when heated in air.

c.

reacts with hot caustic soda solution to give phosphine.

d.

all (a), (b), and (c).

Discuss
Answer: (b).burns when heated in air.
Q80.
Catalyst used in steam reforming of naphtha is

a.

nickel

b.

platinum

c.

silica gel

d.

rhodium

Discuss
Answer: (a).nickel
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