Chemical Process MCQ Questions & Answers

1

Which oil is preferred for paint manufacture?

A) Drying oil B) Non-drying oil C) Semi-drying oil D) Saturated oil

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Answer & Solution

Answer: Option A

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2

Which of the following is not a pyrite ore?

A) Celestite B) Galena C) Gypsum D) Siderite

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Answer & Solution

Answer: Option D

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3

Which is the most efficient absorbant for SO₃ out of the following?

A) 20% oleum B) 65% oleum C) 78% H₂SO₄ D) 98% H₂SO₄

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Answer & Solution

Answer: Option D

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4

Starting raw material for the manufacture of alum is

A) Alumina B) Gypsum C) Bauxite D) Ammonium bicarbonate

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Answer & Solution

Answer: Option C

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5

Frasch process is for

A) Making oxygen B) Producing helium C) Mining sulphur D) Making nitrogen

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Answer & Solution

Answer: Option C

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6

Very fine suspended and colloidal impurities are removed from water by a process called

A) Sedimentation B) Coagulation C) Disinfection D) Softening

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Answer & Solution

Answer: Option B

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7

Fumigant insecticides

A) Kill insects, when they eat it B) Emit poisonous vapour C) Are absorbed throughout the plant D) None of these

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Answer & Solution

Answer: Option B

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8

Fusel oil is a/an

A) Essential oil B) Extract from medicinal herbs C) Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses) D) None of these

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Answer & Solution

Answer: Option C

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9

Which of the following is a constituent of coffee?

A) Caffeine B) Nicotine C) Calgon D) Lignin

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Answer & Solution

Answer: Option A

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10

Which of the following is an endothermic reaction?

A) Absorption of SO₃ in 98% H₂SO₄ B) C + H₂O = CO + H₂ C) Thermal dissociation of iron pyrites D) Both B and C

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Answer & Solution

Answer: Option D

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Chemical Process MCQ Questions & Answers | Chemical Engineering