In the ammonia industry, what is the purpose of the synthesis loop?

B. To convert nitrogen and hydrogen into ammonia

A. To separate ammonia from unreacted gases

B. To convert nitrogen and hydrogen into ammonia

C. To cool down the reaction mixture

D. To remove impurities from the feed gases

H₂SO₄ is produced by which of the following processes?

C. Both Contact and Lead Chamber Process

Natural gas liquids ?

D. Are fractions obtained from natural gas processing

A. Are gaseous at room temperature and cannot be liquefied

B. Are only composed of methane

C. Are obtained exclusively from crude oil refining

D. Are fractions obtained from natural gas processing

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Industrial Chemical MCQs with Answers

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Industrial Chemical Processes MCQs (91–100)

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Past paper MCQs in this chapter · See all past papers

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91.
Hydrogenation converts?
Correct Answer: C. Oils to fats
One-liner
Hydrogenation converts oils to fats by adding hydrogen to unsaturated liquid oils, turning them into solid or semi-solid fats.
92.
For galvanizing of iron which of the following metals is used?
Correct Answer: A. Zinc
One-liner
Zinc is the metal used for galvanizing iron to protect it from rusting.
93.
In the ammonia industry, what is the purpose of the synthesis loop?
Correct Answer: B. To convert nitrogen and hydrogen into ammonia
One-liner
The purpose of the synthesis loop in the ammonia industry is to convert nitrogen and hydrogen into ammonia.
94.
H₂SO₄ is produced by which of the following processes?
Correct Answer: C. Both Contact and Lead Chamber Process
One-liner
H₂SO₄ (sulfuric acid) is industrially produced by both the Contact Process and the Lead Chamber Process.
95.
Phenol was made from?
Correct Answer: A. Coal tar
One-liner
Phenol was made from coal tar, a thick black liquid obtained during the destructive distillation of coal.
96.
Past Paper MCQ
Which process is used to make margarine?
Correct Answer: C. Hydrogenation
One-liner
Margarine is made by the process of hydrogenation, in which hydrogen is added to liquid vegetable oils to convert them into solid or semi-solid fats.
97.
Natural gas liquids ?
Correct Answer: D. Are fractions obtained from natural gas processing
One-liner
Natural gas liquids (NGLs) are fractions obtained from natural gas processing and include ethane, propane, butane, and pentanes.
98.
Polyethene is formed from polymerization of ?
Correct Answer: A. Ethylene
One-liner
Polyethene is formed from the polymerization of ethylene.
99.
Consider N2 + 3H2(g) ⇌ 2NH3(g) ∆H = -92.46 kJ/mol. The optimum temperature (in °C) to produce ammonia is:
Correct Answer: C. 450
One-liner
The optimum temperature for ammonia production via the Haber process is 450°C.
100.
Oxidation of Cyclohexane with Nitric Acid (HNO₃) typically yields:
Correct Answer: A. Adipic Acid
One-liner
Oxidation of cyclohexane with nitric acid (HNO₃) yields Adipic Acid, an important dicarboxylic acid used in nylon production.

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Industrial Chemical MCQs with Answers

Industrial Chemical Processes MCQs (91–100)

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