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chemical engineering chemical process MCQs

Practise multiple-choice questions from chemical engineering chemical process for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

chemical engineering chemical process Mcqs
1. Shrinkage volume in cement setting does not depend upon the _____________________?
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A. Drying period

B. Ambient temperature fluctuation

C. Water to cement ratio

D. Sand to cement ratio
2. ______________ Nature of hypo (sodium thiosulphate) makes it useful in photography ?
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A. Oxidising

B. Photochemical

C. Reducing

D. Complex forming
3. Which of the following is not a product of coal tar distillation ?
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A. None of these

B. Carbolic oil

C. Creosote oil

D. Anthracene

4. In the Solvay process, the product from the calciner is___________________?
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A. Dense soda ash

B. Light soda ash

C. Dehydrated soda ash

D. Sodium bicarbonate

5. Yellow glycerine is made into white, using____________________?
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A. Diatomaceous earth

B. Activated carbon

C. Bauxite

D. Bentonite

6. Extraction of _________________ employs an electrolytic process ?
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A. Silver

B. Copper

C. All A, B. and C

D. Aluminium
7. Industrial production of chloroform requires acetone and_____________________?
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A. Chlorine

B. Ammonium chloride

C. Phosgene

D. Calcium hypochlorite
8. Yellow phosphorus is transported under____________________?
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A. Air

B. Helium

C. Water

D. Nitrogen

9. Permanent hardness of water can be removed by___________________?
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A. None of these

B. Adding Ca(OH)2

C. Boiling

D. Boiling it with Na2CO3
10. CO & H2 are the constituents of___________________?
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A. Producer gas

B. All A., B. and C.

C. Water gas

D. Coke oven gas

11. The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an ______________ detergent ?
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A. Semi polar

B. Amphoteric

C. Cationic

D. Anionic
12. Penicillin is made employing _______________ fermentation process?
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A. Anaerobic batch

B. None of these

C. Continuous

D. Aerobic batch
13. Hydrolysis of sugar is called_____________________?
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A. Inversion

B. None of these

C. Esterification

D. Hydration

14. Nitric acid is not used in the manufacture of______________________?
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A. Aqua regia

B. Detergents

C. Explosives

D. Fertilisers

15. Coloured glass is obtained by mixing of colored salts. Addition of ___________________ oxide is done to impart greenish blue color to the glass?
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A. Arsenic

B. Manganese

C. Chromium

D. Copper
16. A mixture of chlorine & sodium bromide acts as a/an_________________?
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A. Hydrogenation catalyst

B. Fire retardant

C. Analgesic drug

D. Insecticides

17. In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed ?
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A. Furnace ? evaporator ? absorber

B. Furnace ? converter ? absorber

C. Converter ? furnace ? absorber

D. Furnace ? converter ? evaporator

18. Inversion of sucrose produces_____________________?
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A. Fructose

B. Glucose

C. Both A. & B.

D. Neither A. nor B.

19. Naphthols are derivatives of________________?
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A. Methyl amine

B. Phenol

C. Xylene

D. Naphthalene
20. Baking soda is chemically represented by__________________?
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A. Na2CO3

B. NaHCO3

C. Na2CO3.H2O

D. Na2CO3.10H2O