Chemical Process MCQ Questions & Answers

1

A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).

A) 1 B) 10 C) 25 D) 40

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Answer & Solution

Answer: Option B

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2

Which of the following is a detergent?

A) Benzene hexachloride B) Alkyl benzene sulphonate C) Polytetraflouroethylene D) Cellulose nitrate

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Answer & Solution

Answer: Option B

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3

Which of the following is a detergent?

A) Fatty alcohol B) Alkyl benzene sulphonate (ABS) C) Fatty acids D) Methylene chloride

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Answer & Solution

Answer: Option B

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4

The main use of HCl is in the

A) Drilling of petroleum wells and pickling of steel sheets B) Manufacture of cationic detergent C) Treatment of spent fuel of nuclear reactor D) None of these

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Answer & Solution

Answer: Option A

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5

The major use of butadiene is

A) As a plasticiser for unsaturated polyester B) In the manufacture of synthetic rubber C) As an anti-skinning agent in paint D) None of these

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Answer & Solution

Answer: Option B

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6

One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to

A) Adjust the pH of the syrup B) Remove the coloring matter from the syrup C) Reduce the viscosity of the syrup D) Improve the rate of crystallisation of sugar

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Answer & Solution

Answer: Option A

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7

The most commonly used substance to speed up the sedimentation of sewage is

A) Lime B) Sulphuric acid C) Chlorine D) Sodium bisulphite

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Answer & Solution

Answer: Option A

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8

Thermoplastic materials

A) Do not soften on application of heat B) Are heavily branched molecules C) Are solvent insoluble D) None of these

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Answer & Solution

Answer: Option D

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9

Thermosetting materials

A) Are cross-linked molecules B) Soften on application of heat C) Are solvent soluble D) None of these

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Answer & Solution

Answer: Option A

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10

Thorium is mainly used

A) For the manufacture of gas mantles B) As a fissile fuel in a nuclear reactor C) In the manufacture of hydrogen bomb D) In the treatment of cancer

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Answer & Solution

Answer: Option A

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Chemical Process MCQ Questions & Answers | Chemical Engineering