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 46 of 64

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Q451.
__________ are added in lacquers to remove film brittleness and to improve adhereness.

a.

Film forming materials

b.

Plasticisers

c.

Diluents

d.

Solvents

Discuss
Answer: (b).Plasticisers
Q452.
Washing of coal is done to

a.

remove the inherent impurities.

b.

remove the adhering impurities.

c.

reduce the ash content.

d.

both (b) and (c).

Discuss
Answer: (d).both (b) and (c).
Q453.
Systemic insecticides

a.

are absorbed throughout the plant.

b.

kill insects following external bodily contact.

c.

are stomach poisons.

d.

emit poisonous vapour.

Discuss
Answer: (a).are absorbed throughout the plant.
Q454.
Dry ice (solidified CO₂) is used for the

a.

storage & shipment of frozen foods and ice-creams.

b.

liquefaction of permanent gases.

c.

liquefaction of natural gas.

d.

none of these.

Discuss
Answer: (a).storage & shipment of frozen foods and ice-creams.
Q455.
In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the

a.

diamine and the ring.

b.

dibasic acid and the ring.

c.

diamine and the dibasic acid.

d.

none of these.

Discuss
Answer: (c).diamine and the dibasic acid.
Q456.
Chemical formula of BHC, which is an insecticide is

a.

C₆H₆Cl₆

b.

C₆Cl₆

c.

C₆H₅Cl

d.

C₆H₄Cl₂

Discuss
Answer: (b).C₆Cl₆
Q457.
A bio-catalyst produced by living cells which acts independent of the cell is called a/an

a.

substrate

b.

enzyme

c.

nutrient

d.

none of these

Discuss
Answer: (b).enzyme
Q458.
Pick out the wrong statement.

a.

DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence of oleum, which is a highly exothermic reaction.

b.

Chloral is obtained by the chlorination of ethyl alcohol.

c.

Insecticides acting on the insects through the respiratory system are called fumigants.

d.

Benzene hexachloride is not a contact insecticide.

Discuss
Answer: (d).Benzene hexachloride is not a contact insecticide.
Q459.
The product obtained on mixing calcium oxide with water is called

a.

quicklime

b.

slaked lime

c.

milk of lime

d.

none of these

Discuss
Answer: (b).slaked lime
Q460.
The major constituent of black liquor generated during paper manufacture is sodium

a.

sulphate

b.

carbonate

c.

hydroxide

d.

bi-carbonate

Discuss
Answer: (b).carbonate
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