New Latest Chemical Process MCQs – Competitive Chemical Engineering MCQs

New Latest Chemical Process MCQs – Competitive Chemical Engineering MCQs

This post is comprising of latest ” Chemical Process MCQs – Latest Competitive Chemical Engineering MCQs “. Here you’ll get latest chemical engineering mcqs for written test, interview with answers. If you want to improve your knowledge regarding chemical engineering then read these mcqs of Design of Steel Structures.

Latest Chemical Engineering MCQs

By practicing these MCQs of Chemical Process MCQs – Latest Competitive Chemical Engineering MCQs , an individual for exams performs better than before. This post comprising of mechanical engineering objective questions and answers related to Chemical Process Mcqs “. As wise people believe “Perfect Practice make a Man Perfect”. It is therefore practice these mcqs of mechanical engineering to approach the success. Tab this page to check “Chemical Process Mcqs” for the preparation of competitive mcqs, FPSC mcqs, PPSC mcqs, SPSC mcqs, KPPSC mcqs, AJKPSC mcqs, BPSC mcqs, NTS mcqs, PTS mcqs, OTS mcqs, Atomic Energy mcqs, Pak Army mcqs, Pak Navy mcqs, CTS mcqs, ETEA mcqs and others.

Latest Chemical Process Mcqs

The most occurred mcqs of Chemical Process in past papers. Past papers of Chemical Process Mcqs. Past papers of Chemical Process Mcqs . Mcqs are the necessary part of any competitive / job related exams. The Mcqs having specific numbers in any written test. It is therefore everyone have to learn / remember the related Chemical Process Mcqs. The Important series of Chemical Process Mcqs are given below:

Phthalic anhydride is used____________________?

A. In insecticides manufacture
B. As plasticisers
C. In making PVC
D. For making nylon-6

Phenol is mainly used____________________?

A. To produce polyester resin
B. To produce phenol formaldehyde
C. To produce benzene
D. As a plasticiser for unsaturated polyester

______________ is obtained as a by-product in the manufacture of sodium hydroxide using brine ?

A. Chlorine
B. Sodium carbonate
C. Ammonium chloride
D. Sodium bi-carbonate

Solvent extracted oil________________?

A. Is odourless
B. Has low free fatty acid content
C. Has more of unsaturates
D. None of these

Fish contains about _______________ percent oil ?

A. 10
B. 5
C. 20
D. 35

DDT stands for___________________?

A. Dichloro-diphenyl-trichloromethane
B. Diethyl-diphenyl-trichloromethane
C. diphenyl-dichloro-trichloromethane
D. Dichloro-diphenyl-trichloroethane

Metallic soap is ________________ salt of fatty acids ?

A. Potassium
B. Sodium
C. Both sodium & potassium
D. Aluminium or calcium

Function of thinner in a paint is to ______________________ ?

A. Prevent gelling of the paint
B. Accelerate the oxidation of oil
C. Suspend pigments & dissolve film forming materials
D. Form a protective film

Polymethyl methacrylate (PMMA) is known as ____________________?

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

Laboratory glass wares which reacts with hydrofluoric acid, are made of the ______________ glass?

A. Soda lime
B. Borosilicate
C. Lead
D. Alkali silicate

Bio-degradable detergents ___________________?

A. Can be readily oxidised
B. Have an isoparaffinic structure
C. Pose problem in sewerage plant
D. Should not be used as it spoils the cloth

CaCl(OCl) is the chemical formula of___________________?

A. Plaster of Paris
B. Bleaching powder
C. Hypo
D. Aqua regia

Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene). It is also called___________________?

A. Silicone
B. Polyurethane
C. Teflon
D. Epoxy resin

Permanent hardness of water can be removed by_________________?

A. Treating it with zeolites
B. Addition of soda ash to it
C. Passing it through sodium hexametaphosphate
D. All A , B, and C.


A. Give good glossy finish
B. Do not contain pigment
C. Are prepared from non-drying oil
D. Are same as varnish

Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on ____________________?

A. Slaked lime
B. Calcium perchlorate
C. Soda lime
D. None of these

Refractory bricks having high thermal conductivity is desirable, when it is to be used in the _________________?

A. Blast furnace
B. L.D. converter
C. Rotary kiln
D. Recuperator

Glycerine is a by-product of the ________________ industry ?

A. Soap
B. Oil hydrogenation
C. Detergent
D. Paint

The amount of benzene present in pure Benzol is about _______________ percent ?

A. 50
B. 30
C. 70
D. 90

The purpose of tanning in leather industry is to____________________?

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

Solvay process is used for the manufacture of____________________?

A. Caustic potash
B. Soda ash
C. Caustic soda
D. Soda lime

Rosin soap is added during paper manufacture to____________________?

A. Improve opacity
B. Impart adhesive properties
C. Impart resistance to penetration by liquids
D. None of these

Enzymes are organic catalysts used in the ____________________ reactions ?

A. Photochemical
B. Biochemical
C. Chemical
D. Electrochemical

Which of the following is not an antibiotic ?

A. Streptomycin
B. Penicillin
C. Tetracycline
D. Quinine

Glycerine is recovered from lye by ___________________?

A. Evaporation followed by vacuum distillation
B. Extractive distillation technique
C. Liquid extraction technique
D. None of these

Chemical Environmental Engineering Mcqs

Salt is the basic raw material for the manufacture of____________________?

A. Glass
B. Cement
C. Potteries
D. Caustic soda

Hydrogenation of oil takes place in a/an ____________________ reactor ?

A. Plug flow
B. Trickle bed
C. Autothermal
D. None of these

Na2CO3 is called _________________?

A. Plaster of Paris
B. Soda ash
C. Washing soda
D. Calcite

A mineral is termed as ‘ore’, if ____________________?

A. A metal can be economically extracted from it
B. The metal present in it is costly
C. It contains ≥ 40% metal
D. All A , B. and C.

Fourdrinier machine is used in the manufacture of ___________________?

A. Alcohol from molasses
B. Paper
C. Sugar
D. Phenol formaldehyde

Which of the following paper does not require a filler during manufacture ?

A. Writing paper
B. Bond paper
C. Blotting paper
D. Coloured paper

________________ acid is an unsaturated fatty acid ?

A. Stearic
B. Oleic
C. Palmitic
D. Oxalic

Which glass is usually used in optical work ?

A. Fibre glass
B. High silica (borosilicate) glass
C. Photo-sensitive glass
D. Lead glass

The major use of butadiene is____________________?

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

Reaction of an alcohol with organic acid is called the ________________ reaction?

A. Neutralisation
B. Esterification
C. Saponification
D. Acidification

____________________ of rubber decreases after its vulcanisation?

A. Resistance to the action of organic solvent
B. Tackiness
C. Tensile strength
D. Maximum service temperature

The enzyme which converts starch into the disaccharides maltose is_________________?

A. Diastase
B. Yeast
C. Maltase
D. None of these

Stereospecific agents are exemplified by________________?

A. Ziegler catalysts
B. Supported metal oxide catalysts
C. Radiation
D. All A , B. & C

Hydrogenation of oil does not ___________________?

A. Raise its melting point
B. Remove double bonds
C. Improve its resistance to oxidation
D. None of these

Sulphuric acid saturated with SO3 is called_________________?

A. Sulphurous acid
B. Concentrated H2SO4
C. Oleum
D. None of these

Main constituent of limestone is____________________?

A. CaCO3
B. Na2CO3
C. MgCO3
D. CaSO4

Refractory bricks burnt at very high temperature have got______________?

A. Greater resistance to corrosion by slags
B. High spalling tendency
C. Less resistance to corrosion by slags
D. None of these

Which allotrope of sulphur is insoluble in carbon disulphide ?

A. Monoclinic sulphur
B. Rhombic sulphur
C. Plastic sulphur
D. Milk of sulphur

Carbon tetrachloride (CCl4) is the starting raw material for the manufacture of____________________?

A. Parathion
B. Perchloroethylene
C. Trichloroethylene
D. Methanol

Multistage catalytic converter is not used in the___________________?

A. Conversion of SO2 to SO3
B. NH3 synthesis reaction
C. Both of the above
D. Neither of the above

Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene ?

A. AgO
B. ZnCl2
C. Al2O3
D. Fe2O3

Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process ?

A. NH3
B. CaO
C. NaCl
D. Coke

The difference between saponification value and acid value is____________________?

A. Called ester value
B. Constant for all fatty oils
C. Always negative
D. None of these

Chrome tanning and vegetable tanning are done for ________________?

A. Light & heavy leather respectively
B. light & Heavy leather respectively
C. Both light & heavy leather
D. Neither light nor heavy leather

Main constituents of cotton fiber is__________________?

A. Starch
B. Cellulose
C. Lignin
D. Gelatine

____________________ process is used for producing soda ash?

A. Chance
B. Chamber
C. Tromp
D. Solvay

Which of the following fuel gases contains maximum amount of carbon monoxide ?

A. Water gas
B. Coke oven gas
C. Blast furnace gas
D. L.D. converter gas

Lubricating greases are a mixture of__________________?

A. Mineral oil, soap and additives
B. Mineral oil and fatty oil
C. Mineral oil and metallic soap
D. Fatty oil and metallic soap

Pig iron is produced by blast furnaces in India using mostly the iron ore named _______________?

A. Hematite
B. Siderite
C. Magnetite
D. Chalcopyrite

Chalcopyrite is the main ore of_________________?

A. Copper
B. Tin
C. Lead
D. Iron

Chemical Process Mcqs

99.5% purity oxygen is used in_____________________?

A. Cutting and welding by oxy-acetylene flame
B. Gas masks and artificial breathing apparatus
C. Hospitals for medicinal purposes
D. All A, B, and C.

Zeigler process__________________?

A. Produces high density polyethylene
B. Uses no catalyst
C. Produces low density polyethylene
D. Employs very high pressure

Fat dispersed in water is exemplified by__________________?

A. Gel
B. Colloids
C. Butter
D. Emulsion

Dacron is a ___________________?

A. Condensation product of dimethyl terephthalate and ethylene glycol
B. Thermosetting material
C. Condensation product of Hexamethylene diamine and adipic acid
D. None of these

Hydrazine (N2H4) is used mainly as a/an__________________?

A. Detergents additive
B. Rocket fuel
C. Explosive
D. None of these

Which of the following is an yellow pigment ?

A. Ferrous sulphate
B. Titanium dioxide
C. Lead chromates
D. Zinc sulphides

Synthesis gas is a mixture of__________________?

A. CO and H2
B. H2, CH4 and CO
C. N2 and H2
D. CO2 and H2

___________________ glass is used for the manufacture of optical glass ?

A. Soda
B. Pyrex
C. Flint
D. Crooke’s

Hydrazine is used in water treatment for the removal of___________________?

A. Turbidity
B. Dissolved oxygen
C. Colloidal impurities
D. Chlorinous taste

Sugar content in sugarcane on cane basis is about _______________ percent by weight ?

A. 15 to 20
B. 5 to 10
C. 1 to 5
D. 20 to 30

________________ acid is the main constituent of cotton seed oil ?

A. Palmitic
B. Linoleic
C. Acetic
D. Oleic

In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst___________________?

A. Has a longer life and is not poisoned by arsenic
B. Gives higher conversion efficiency
C. Handles lower SO2 content gas (7 -10% SO2), thus increasing the capital cost of the plant
D. All A , B. and C.

Nylon-6 is manufactured from ______________________?

A. Caprolactam
B. Hexamethylene diamine and Sebacic acid
C. Hexamethylene diamine and Maleic anhydride
D. Hexamethylene diamine and adipic acid

Fat splitting catalyst is__________________?

A. Al2O3
B. ZnO
C. CaCO3
D. Fe

Thermodynamics Mcqs

Manufacture of phthalic anhydride uses ______________ as a catalyst ?

A. Cr
B. Ni
C. V2O5
D. Al2O3

The end bleaching agent used to move last traces of colour bodies from the pulp is ____________________?

A. Chlorine dioxide (ClO2)
B. SO2 gas
C. MgO
D. Mercaptans

Zeolite is used in the ____________________ ?

A. Water treatment
B. Hydrogenation of fatty oil as a catalyst
C. Glass manufacture
D. Development of exposed photographic plate

____________________ is a thermosetting plastic ?

A. Polystyrene
B. Epoxy polymer
C. P.V.C.
D. Polythene

Which is a high grade pulp ?

A. Mechanical pulp
B. Rag pulp
C. Sulphate pulp
D. Sulphite pulp

Commercial production of soda ash by Solvay process requires limestone, ___________________ as raw materials?

A. Coke and caustic soda
B. Brine and coal
C. Coke and sand
D. None of these

Wet chlorine gas produced during electrolysis of brine is dehydrated by__________________?

A. Spraying 66° Be H2SO4 counter current to the flow of the gas
B. Passing it through a bed of silica gel
C. Passing it through a bed of diatomaceous earth
D. None of these

Nylon-6 is a__________________?

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

P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as____________________?

A. Neoprene
B. Bakelite
C. Teflon
D. Nylon-66

Ore concentration by froth floatation utilises the ______________ of ore particles ?

A. Terminal velocities
B. Wetting characteristics
C. Density difference
D. None of these

Ethanol amine is produced using ammonia and_________________?

A. Ethanol
B. Ethylene oxide
C. Ethyl benzene
D. Ethane

Chloramines are used in water treatment for_____________________?

A. Disinfection and control of taste & odour
B. Removing turbidity
C. Corrosion control
D. Control of bacteria

Basic oxide is absent in ___________________ glass?

A. Pyrex
B. Flint
C. Quartz
D. All A, B. & C

Fusion of limestone and ______________ produces high alumina cement?

A. Quicklime
B. Bauxite
C. Sand
D. Calcite

Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its________________?

A. Hydrolysis tendency in presence of water
B. Greater tendency of decomposition at elevated temperature
C. Poor oxidation stability and high gum forming tendency
D. All A, B. and C

Hydrogenation of oil/fat does not_________________?

A. Improve its resistance to rancid oxidation
B. Remove double bonds
C. Raise its melting point
D. None of these

Epoxy resin__________________?

A. Is a good adhesive
B. Is a polyester
C. Cannot be used for surface coatings
D. Is an elastomer

Temporary hardness of water can be removed by__________________?

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

Which of the following sugars is the sweetest ?

A. Sucrose
B. Fructose
C. Glucose
D. Lactose

Ethyl alcohol cannot be produced_________________?

A. From waste sulphite substrate of paper mills
B. From molasses
C. By Esterification and hydrolysis of ethylene
D. None of these

Varnish does not contain_______________?

A. Thinner
B. Pigment
C. Both of the above
D. Neither of the above

Deacon’s method is used for the manufacture of____________________?

A. Common salt
B. Glauber’s salt
C. Chlorine
D. Graphite electrode

Which of the following is not required in the manufacture of soda ash by Solvay process ?

A. Limestone
B. Ammonia
C. Nitric acid
D. None of these

Main constituents of natural rubber is____________________?

A. Polybutadiene
B. Polyisoprene
C. Polystyrene
D. Polychlorophrene

Fluorescent dyes are added in detergents to__________________?

A. Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics
B. Act as tarnish inhibitor for metals like German silver
C. Attain distinctiveness from other brands
D. None of these

Portland cement consists mainly of__________________?

A. CaO & SiO2
B. CaO & Al2O3
C. SiO2 & Al2O3
D. CaO & Fe2O3

Alkylbenzene sulfonate (ABS) is a____________________?

A. Detergent
B. Pesticide
C. Rubber
D. Polyester

Bleaching action of bleaching powder is due to its _____________ properties ?

A. Disinfecting
B. Oxidising
C. Reducing
D. None of these

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

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

The most economical pulp for the production of newsprint would be the _____________________ pulp?

A. Ground-wood
B. Sulphite
C. Sulphate
D. Semi-chemical

Esterification reaction___________________?

A. Is reversible
B. Produces soap
C. Is a reaction between an alcohol and an organic acid
D. All A, B. and C.

New Latest Chemical Process MCQs – Competitive Chemical Engineering MCQs

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