Industrial Chemistry Practice Questions
NECO (Nigeria) · NECO Chemistry · 147 free MCQs with instant results and detailed explanations.
147
Total
44
Easy
74
Medium
29
Hard
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Sample Questions from Industrial Chemistry
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Q1
Easy
Which of the following is a primary raw material in the production of ammonia through the Haber process?
A.
Nitrogen
B.
Oxygen
C.
Hydrogen
D.
Carbon Dioxide
Show Answer & Explanation
Correct Answer: A
Nitrogen is a primary raw material used in the Haber process for ammonia production, sourced from atmospheric air, while hydrogen is usually derived from natural gas or water.
Q2
Easy
What is the main purpose of the distillation process in the petrochemical industry?
A.
To purify water
B.
To separate components of crude oil
C.
To synthesize ammonia
D.
To generate electricity
Show Answer & Explanation
Correct Answer: B
The primary purpose of distillation in the petrochemical industry is to separate the various components of crude oil based on their boiling points to produce fuels and other products.
Q3
Easy
Which of the following processes is responsible for the production of sulfuric acid in industry?
A.
Contact process
B.
Haber process
C.
Ostwald process
D.
Fritz Haber process
Show Answer & Explanation
Correct Answer: A
The Contact process is the industrial method used for the production of sulfuric acid, involving the oxidation of sulfur dioxide to sulfur trioxide, which is then reacted with water.
Q4
Medium
Which of the following processes is primarily used to separate components of crude oil in the petroleum industry?
A.
Distillation
B.
Filtration
C.
Evaporation
D.
Crystallization
Show Answer & Explanation
Correct Answer: A
Distillation is the process used to separate components of crude oil based on their boiling points, making it the correct choice.
Q5
Medium
In the production of ammonia through the Haber process, which catalyst is commonly used?
A.
Iron
B.
Nickel
C.
Copper
D.
Platinum
Show Answer & Explanation
Correct Answer: A
Iron is the catalyst commonly used in the Haber process for synthesizing ammonia from nitrogen and hydrogen.
Q6
Medium
What is the primary purpose of cracking in the petrochemical industry?
A.
To convert large hydrocarbon molecules into smaller ones
B.
To purify water
C.
To increase the viscosity of oils
D.
To polymerize monomers
Show Answer & Explanation
Correct Answer: A
Cracking is mainly used to break down large hydrocarbon molecules into smaller, more useful ones, hence option A is correct.
Q7
Medium
Which of the following is a key product of the sulfuric acid industry?
A.
Fertilizers
B.
Plastics
C.
Detergents
D.
Pesticides
Show Answer & Explanation
Correct Answer: A
Fertilizers are a key product of the sulfuric acid industry as sulfuric acid is used to produce phosphoric acid, a component in many fertilizers.
Q8
Hard
Which of the following processes is primarily used in the industrial production of ammonia from nitrogen and hydrogen?
A.
Haber Process
B.
Contact Process
C.
Ostwald Process
D.
Solvay Process
Show Answer & Explanation
Correct Answer: A
The Haber Process is specifically designed for synthesizing ammonia from nitrogen and hydrogen gases under high temperature and pressure, making it the correct choice.
Q9
Hard
In the Solvay process for producing sodium carbonate, which of the following is a key intermediate compound formed during the reaction?
A.
Calcium carbonate
B.
Ammonium bicarbonate
C.
Sodium bicarbonate
D.
Sodium hydroxide
Show Answer & Explanation
Correct Answer: C
Sodium bicarbonate is a key intermediate in the Solvay process, formed when carbon dioxide reacts with ammonium bicarbonate and sodium chloride.
Q10
Hard
Which of the following processes is primarily used to separate hydrocarbons in the petrochemical industry?
A.
Cracking
B.
Fractional Distillation
C.
Hydrogenation
D.
Reforming
Show Answer & Explanation
Correct Answer: B
Fractional distillation is the process used to separate a mixture of hydrocarbons based on their different boiling points. This allows for the collection of various fractions such as gasoline, kerosene, and diesel.
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Industrial Chemistry — NECO (Nigeria) NECO Chemistry Practice Questions Online
This page contains 147 practice MCQs for the chapter Industrial Chemistry in NECO (Nigeria) NECO Chemistry. The questions are organized by difficulty — 44 easy, 74 medium, 29 hard — so you can choose the right level for your preparation.
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