Chemical Process MCQ Questions & Answers

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Each section contains 100 MCQs on Chemical Process .

The major constituent of black liquor generated during paper manufacture is sodium

A) Sulphate B) Carbonate C) Hydroxide D) Bi-carbonate

Discuss

Answer & Solution

Answer: Option B

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

Boiling of water containing temporary hardness produces

A) CO₂ B) CaSO₄ C) CaHCO₃ D) None of these

Discuss

Answer & Solution

Answer: Option A

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

Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

A) Xanthates B) Stearic acid C) Calcium & aluminium stearate D) Formic acid

Discuss

Answer & Solution

Answer: Option C

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

Pick out the wrong statement.

A) Fibrillation of fibre during paper manufacture is done to develop the strength in paper B) Alkali consumption in digestion/cooking of bamboo is measured in terms of permangnate number C) Bagasse fibre contains both lignin & cellulose D) Presence of sodium sulphate in pulp makes the pulp bleachability poor

Discuss

Answer & Solution

Answer: Option D

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

Nicotine is

A) A volatile alkaloid B) Obtained by treating by-products of the tobacco processing industry C) Both A and B D) Neither A nor B

Discuss

Answer & Solution

Answer: Option C

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

The purpose of tanning in leather industry is to

A) Stiffen the leather B) Smoothen the leather C) Make it flexible D) Impart water resistance

Discuss

Answer & Solution

Answer: Option A

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

What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell?

A) Cl₂ & Na B) Cl₂ & H₂ C) O₂ & H₂ D) Cl₂, H₂ & NaOH solution

Discuss

Answer & Solution

Answer: Option D

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

Pick out the wrong statement.

A) DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence of oleum, which is a highly exothermic reaction B) Chloral is obtained by the chlorination of ethyl alcohol C) Insecticides acting on the insects through the respiratory system are called fumigants D) Benzene hexachloride is not a contact insecticide

Discuss

Answer & Solution

Answer: Option D

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

Nylon-6 is a

A) Polyamide B) Thermosetting resin C) Polyester D) None of these

Discuss

Answer & Solution

Answer: Option A

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

During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as

A) It is very corrosive at elevated temperature B) Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) C) It decomposes on further increasing the temperature D) None of these

Discuss

Answer & Solution

Answer: Option B

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

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Chemical Process MCQ Questions & Answers | Chemical Engineering