Catalyst used to convert SO₂ to SO₃ is?

D. Vanadium Pentoxide (V₂O₅)

C. Sodium hydroxide and Hydrochloric acid

A. Sodium hydride and Hypochlorous acid

B. Sodium oxide and Chlorine gas

C. Sodium hydroxide and Hydrochloric acid

D. Sodium chloride and Hydrogen peroxide

Large scale production of urea is favored by _?

C. High temperature and high pressure

A. High temperature and low pressure

B. Low temperature and low pressure

C. High temperature and high pressure

D. Low temperature and high pressure

Everyday Science · Everyday & Industrial Chemistry · page 8 of 17

Industrial Chemical MCQs with Answers

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Industrial Chemical Processes MCQs (71–80)

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71.
Catalyst used to convert SO₂ to SO₃ is?
Correct Answer: D. Vanadium Pentoxide (V₂O₅)
One-liner
The catalyst used to convert SO₂ to SO₃ is Vanadium Pentoxide (V₂O₅).
72.
A technique in which a volatile substance (i.e. which evaporates easily) is separated from a non-volatile substance is called?
Correct Answer: B. Distillation
One-liner
The technique used to separate a volatile substance from a non-volatile substance is called Distillation.
73.
The reaction C₈H₁₈ + C₃H₆ + Fragments is ?
Correct Answer: B. Cracking
One-liner
The reaction C₈H₁₈ + C₃H₆ + Fragments represents cracking, a process in which larger hydrocarbon molecules are broken down into smaller, more useful ones.
74.
Past Paper MCQ
NaCl + H2O = ?
Correct Answer: C. Sodium hydroxide and Hydrochloric acid
One-liner
The electrolysis of aqueous NaCl (brine) produces Sodium hydroxide (NaOH) and Hydrochloric acid (HCl).
75.
In the Cumene process, phenol is produced along with?
Correct Answer: C. Acetone
One-liner
In the Cumene process, phenol is produced along with acetone.
76.
Which gas is used in the manufacture of ammonia by Haber process?
Correct Answer: D. Both A and B
One-liner
The Haber process uses both nitrogen and hydrogen gases to manufacture ammonia (NH₃).
77.
Which of the following is used in the Match Industry?
Correct Answer: A. Phosphorus
One-liner
Phosphorus is used in the match industry, particularly red phosphorus on the striking surface of safety matches.
78.
Large scale production of urea is favored by _?
Correct Answer: C. High temperature and high pressure
One-liner
Large scale production of urea is favored by high temperature and high pressure.
79.
The octane number is 100% in petroleum is ?
Correct Answer: D. Iso-octane
One-liner
The octane number is 100% in petroleum for Iso-octane (2,2,4-trimethylpentane).
80.
Electrolysis is used to decompose?
Correct Answer: B. Ionic compounds
One-liner
Electrolysis is used to decompose ionic compounds by passing an electric current through their molten or dissolved state.

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Industrial Chemical MCQs with Answers

Industrial Chemical Processes MCQs (71–80)

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