Chemical Process MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Chemical Process, 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 Chemical Process 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 Chemical Process mcq questions that explore various aspects of Chemical Process problems. Each MCQ is crafted to challenge your understanding of Chemical Process 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 Chemical Process 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 Chemical Process. 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 Chemical Process knowledge to the test? Let's get started with our carefully curated MCQs!

Chemical Process MCQs | Page 33 of 64

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Q321.
Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.

a.

25

b.

60-70

c.

150-200

d.

250-300

Discuss
Answer: (b).60-70
Q322.
Vanillin is a type of

a.

anti-pyretic drug

b.

food preservative

c.

flavour

d.

dye

Discuss
Answer: (c).flavour
Q323.
Temporary hardness of water can be removed by

a.

addition of alum (a coagulant).

b.

boiling.

c.

filtration (through gravity sand filter).

d.

addition of lime.

Discuss
Answer: (b).boiling.
Q324.
More than 100 percent of __________ is present in oleum.

a.

SO₃

b.

H₂SO₄

c.

H₂SO₃

d.

SO₂

Discuss
Answer: (b).H₂SO₄
Q325.
Essential oils are usually obtained using

a.

steam distillation

b.

extractive distillation

c.

solvent extraction

d.

leaching

Discuss
Answer: (d).leaching
Q326.
Impurities present in brine is normally removed by treatment with

a.

NH₃ and CO₂.

b.

lime and soda ash.

c.

lime, ammonia and carbon.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
Q327.
Hydrogenation of oil/fat does not

a.

improve its resistance to rancid oxidation.

b.

raise its melting point.

c.

remove double bonds.

d.

none of these.

Discuss
Answer: (d).none of these.
Q328.
Solvay process as compared to dual process (i.e. modified Solvay process)

a.

can use low grade brine.

b.

has less corrosion problems.

c.

involves higher investment in NH₃ recovery units than that for crystallisation units for NH₄Cl.

d.

both (b) and (c).

Discuss
Answer: (d).both (b) and (c).
Q329.
Builders are added in soap to act as

a.

cleaning power booster

b.

anti-redeposition agent

c.

corrosion inhibitor

d.

fabric brightener

Discuss
Answer: (a).cleaning power booster
Q330.
Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.

a.

15-30

b.

90-100

c.

250-300

d.

<0

Discuss
Answer: (a).15-30
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