Chemical Process MCQ Questions & Answers

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Each section contains 100 MCQs on Chemical Process .

Temporary hardness of water can be removed by

A) Addition of alum (a coagulant) B) Boiling C) Filtration (through gravity sand filter) D) Addition of lime

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Permanent hardness of water can be removed by

A) Simply boiling B) Adding alum C) Passing it through cation & anion exchangers D) All of the above

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Answer & Solution

Answer: Option C

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Permanent hardness of water can be removed by

A) Boiling B) Adding Ca(OH)₂ C) Boiling it with Na₂CO₃ D) None of these

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Answer & Solution

Answer: Option C

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Permanent hardness of water can be removed by

A) Addition of soda ash to it B) Treating it with zeolites C) Passing it through sodium hexametaphosphate D) All of the above

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Answer & Solution

Answer: Option D

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Esterification reaction

A) Produces soap B) Is reversible C) Is a reaction between an alcohol and an organic acid D) All of the above

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Answer & Solution

Answer: Option D

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Polymethyl methacrylate (PMMA) is known as

A) Bakelite B) Teflon C) Perspex D) Nylon-6

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Answer & Solution

Answer: Option C

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The process used for the manufacture of ethyl alcohol from molasses is

A) Distillation B) Dehydration C) Dehydrogenation D) None of these

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Answer & Solution

Answer: Option D

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Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.

A) Phthalic anhydride B) Vinyl chloride C) Maleic anhydride D) Dacron

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Answer & Solution

Answer: Option B

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Thermal pyrolysis of ethylene dichloride produces

A) Trichloroethylene B) Vinyl chloride C) Ethanol amine D) Ethylene oxide

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Answer & Solution

Answer: Option B

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Concentration of hydrogen peroxide is done by

A) Crystallisation B) Vacuum crystallisation C) Atmospheric distillation D) Dehydration

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Answer & Solution

Answer: Option B

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Chemical Process MCQ Questions & Answers | Chemical Engineering