Chemical Process MCQs

Option A: Sulphuric acid

Option B: Phosphoric acid

Option C: Hydrochloric acid

Option D: Hydrofluoric acid

Correct Answer: Sulphuric acid ✔

Option A: Polybutadiene

Option B: Styrene butadiene rubber (SBR)

Option C: Polyurethane

Option D: Polychlorophrene

Correct Answer: Polychlorophrene ✔

Option A: Carbon

Option B: Arsenic

Option C: Lead

Option D: Sulphur

Correct Answer: Arsenic ✔

Option A: 5

Option B: 30

Option C: 130

Option D: 300

Correct Answer: 30 ✔

Option A: Diaphragm electrolytic cell process

Option B: Mercury electrolytic cell process

Option C: Lime-soda process

Option D: None of these

Correct Answer: Lime-soda process ✔

Option A: Waterproof

Option B: Slag

Option C: White

Option D: Pozzolan

Correct Answer: White ✔

Option A: Sodium sulphite and sodium bisulphite

Option B: Magnesium sulphite and free SO2 in acid medium

Option C: Magnesium sulphate and magnesium bicarbonate

Option D: None of these

Correct Answer: Sodium sulphite and sodium bisulphite ✔

Option A: Na2SO4

Option B: CaSO4. ½H2O

Option C: MgSO4

Option D: BaSO4

Correct Answer: Na2SO4 ✔

Option A: Fatty acid content

Option B: Degree of unsaturation of the fatty acids present in it

Option C: Average molecular weight

Option D: Insoluble fatty acid content

Correct Answer: Average molecular weight ✔

Option A: Celestite

Option B: Galena

Option C: Gypsum

Option D: Siderite

Correct Answer: Siderite ✔

Option A: Steam reforming

Option B: Shift conversion

Option C: Steam gasification

Option D: None of these

Correct Answer: Shift conversion ✔

Option A: Pig iron

Option B: Steel

Option C: Copper

Option D: Zinc

Correct Answer: Steel ✔

Option A: Iron oxide

Option B: Soda ash

Option C: Limestone

Option D: Silica

Correct Answer: Iron oxide ✔

Option A: Flint

Option B: Hard

Option C: Pyrex

Option D: Soda

Correct Answer: Soda ✔

Option A: CO, CO2 N2, H2

Option B: CO, H2

Option C: H2, CH4

Option D: C2H2, CO2, H2

Correct Answer: CO, CO2 N2, H2 ✔

Option A: NH3 and CO2

Option B: Lime and soda ash

Option C: Lime, ammonia and carbon

Option D: All A , B. and C.

Correct Answer: D. All A , B. and C. ✔

Option A: Poorer tensile strength

Option B: Poorer resistance to oxidation

Option C: Greater amount of heat build-up under heavy loading

Option D: All A , B. and C.

Correct Answer: D. All A , B. and C. ✔

Option A: Cast

Option B: Wrought

Option C: Pig

Option D: High silicon

Correct Answer: Wrought ✔

Option A: Exothermic

Option B: Endothermic

Option C: Autocatalytic

Option D: None of these

Correct Answer: Exothermic ✔

Option A: Which is an addition reaction

Option B: Which is a substitution reaction

Option C: In absolute dark

Option D: In presence of sunlight

Correct Answer: Which is an addition reaction ✔

Option A: Make it corrosion resistant

Option B: Make glossy surface

Option C: Give elasticity & prevent cracking of the film

Option D: Increase atmospheric oxidation

Correct Answer: Give elasticity & prevent cracking of the film ✔

Option A: Alumina

Option B: Gypsum

Option C: Bauxite

Option D: Ammonium bicarbonate

Correct Answer: Bauxite ✔

Option A: Eucalyptus wood

Option B: Bamboo

Option C: Bagasse

Option D: Fine teak wood

Correct Answer: Fine teak wood ✔

Option A: Cement

Option B: Lime from limestone

Option C: Slaked lime from quick lime

Option D: None of these

Correct Answer: Slaked lime from quick lime ✔

Option A: Electromagnetic separation

Option B: Froth floatation

Option C: Roasting

Option D: None of these

Correct Answer: Roasting ✔

Option A: Hexane

Option B: Methyl ethyl ketone

Option C: Furfural

Option D: None of these

Correct Answer: Methyl ethyl ketone ✔

Option A: 10

Option B: 25

Option C: 50

Option D: 98

Correct Answer: 50 ✔

Option A: Fertiliser

Option B: Inorganic fungicide

Option C: Insecticide

Option D: Explosive

Correct Answer: Inorganic fungicide ✔

Option A: Essential oil

Option B: Extract from medicinal herbs

Option C: Mixture of higher molecular weight alcohols (a by-product obtained during production of

Option D: None of these

Correct Answer: C. Mixture of higher molecular weight alcohols (a by-product obtained during production of
alcohol from molasses) ✔

Option A: White

Option B: Black

Option C: Yellow

Option D: Blue

Correct Answer: White ✔

Option A: Soda-lime

Option B: Fibre

Option C: Lead

Option D: Borosilicate

Correct Answer: Lead ✔

Option A: White

Option B: Black

Option C: Yellow

Option D: Red

Correct Answer: Black ✔

Option A: Coke

Option B: Sand

Option C: Soda ash

Option D: Fuel oil

Correct Answer: Sand ✔

Option A: Produces soap

Option B: Is reversible

Option C: Is a reaction between an alcohol and an organic acid

Option D: All A, B. and C.

Correct Answer: D. All A, B. and C. ✔

Option A: Ground-wood

Option B: Sulphate

Option C: Sulphite

Option D: Semi-chemical

Correct Answer: Ground-wood ✔

Option A: Sedimentation

Option B: Coagulation

Option C: Disinfection

Option D: Softening

Correct Answer: Coagulation ✔

Option A: Reducing

Option B: Oxidising

Option C: Disinfecting

Option D: None of these

Correct Answer: Oxidising ✔

Option A: Detergent

Option B: Rubber

Option C: Pesticide

Option D: Polyester

Correct Answer: Detergent ✔

Option A: CaO & SiO2

Option B: SiO2 & Al2O3

Option C: CaO & Al2O3

Option D: CaO & Fe2O3

Correct Answer: CaO & SiO2 ✔

Option A: Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the

Option B: Attain distinctiveness from other brands

Option C: Act as tarnish inhibitor for metals like German silver

Option D: None of these

Correct Answer: A. Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the
whiteness appearance of white fabrics ✔

Option A: Polystyrene

Option B: Polyisoprene

Option C: Polybutadiene

Option D: Polychlorophrene

Correct Answer: Polyisoprene ✔

Option A: Ammonia

Option B: Limestone

Option C: Nitric acid

Option D: None of these

Correct Answer: Nitric acid ✔

Option A: Glauber’s salt

Option B: Common salt

Option C: Chlorine

Option D: Graphite electrode

Correct Answer: Chlorine ✔

Option A: Thinner

Option B: Pigment

Option C: Both A. & B.

Option D: Neither A. nor B.

Correct Answer: Pigment ✔

Option A: From waste sulphite substrate of paper mills

Option B: By Esterification and hydrolysis of ethylene

Option C: From molasses

Option D: None of these

Correct Answer: None of these ✔

Option A: Glucose

Option B: Fructose

Option C: Sucrose

Option D: Lactose

Correct Answer: Fructose ✔

Option A: Addition of alum (a coagulant)

Option B: Boiling

Option C: Filtration (through gravity sand filter)

Option D: Addition of lime

Correct Answer: Boiling ✔

Option A: Is a good adhesive

Option B: Is an elastomer

Option C: Cannot be used for surface coatings

Option D: Is a polyester

Correct Answer: Is a good adhesive ✔

Option A: Improve its resistance to rancid oxidation

Option B: Raise its melting point

Option C: Remove double bonds

Option D: None of these

Correct Answer: None of these ✔

Option A: Poor oxidation stability and high gum forming tendency

Option B: Greater tendency of decomposition at elevated temperature

Option C: Hydrolysis tendency in presence of water

Option D: All A, B. and C

Correct Answer: D. All A, B. and C ✔

Option A: Sand

Option B: Bauxite

Option C: Quicklime

Option D: Calcite

Correct Answer: Bauxite ✔

Option A: Flint

Option B: Pyrex

Option C: Quartz

Option D: All A, B. & C

Correct Answer: Quartz ✔

Option A: Disinfection and control of taste & odour

Option B: Corrosion control

Option C: Removing turbidity

Option D: Control of bacteria

Correct Answer: Disinfection and control of taste & odour ✔

Option A: Ethyl benzene

Option B: Ethylene oxide

Option C: Ethanol

Option D: Ethane

Correct Answer: Ethylene oxide ✔

Option A: Density difference

Option B: Wetting characteristics

Option C: Terminal velocities

Option D: None of these

Correct Answer: Wetting characteristics ✔

Option A: Polyamide

Option B: Thermosetting resin

Option C: Polyester

Option D: None of these

Correct Answer: Polyamide ✔

Option A: Bakelite

Option B: Neoprene

Option C: Teflon

Option D: Nylon-66

Correct Answer: Teflon ✔

Option A: Spraying 66° Be H2SO4 counter current to the flow of the gas

Option B: Passing it through a bed of diatomaceous earth

Option C: Passing it through a bed of silica gel

Option D: None of these

Correct Answer: Spraying 66° Be H2SO4 counter current to the flow of the gas ✔

Option A: Coke and sand

Option B: Brine and coal

Option C: Coke and caustic soda

Option D: None of these

Correct Answer: Brine and coal ✔

Option A: Rag pulp

Option B: Mechanical pulp

Option C: Sulphate pulp

Option D: Sulphite pulp

Correct Answer: Sulphate pulp ✔

Option A: Polythene

Option B: Epoxy polymer

Option C: P.V.C.

Option D: Polystyrene

Correct Answer: Epoxy polymer ✔

Option A: Water treatment

Option B: Glass manufacture

Option C: Hydrogenation of fatty oil as a catalyst

Option D: Development of exposed photographic plate

Correct Answer: Water treatment ✔

Option A: Chlorine dioxide (ClO2)

Option B: MgO

Option C: SO2 gas

Option D: Mercaptans

Correct Answer: Chlorine dioxide (ClO2) ✔

Option A: Ni

Option B: Cr

Option C: V2O5

Option D: Al2O3

Correct Answer: V2O5 ✔

Option A: CaCO3

Option B: ZnO

Option C: Al2O3

Option D: Fe

Correct Answer: ZnO ✔

Option A: Caprolactam

Option B: Hexamethylene diamine and adipic acid

Option C: Hexamethylene diamine and Maleic anhydride

Option D: Hexamethylene diamine and Sebacic acid

Correct Answer: Caprolactam ✔

Option A: Gives higher conversion efficiency

Option B: Has a longer life and is not poisoned by arsenic

Option C: Handles lower SO2 content gas (7 -10% SO2), thus increasing the capital cost of the plant

Option D: All A , B. and C.

Correct Answer: D. All A , B. and C. ✔

Option A: Acetic

Option B: Linoleic

Option C: Palmitic

Option D: Oleic

Correct Answer: Linoleic ✔

Option A: 1 to 5

Option B: 5 to 10

Option C: 15 to 20

Option D: 20 to 30

Correct Answer: 5 to 10 ✔

Option A: Colloidal impurities

Option B: Dissolved oxygen

Option C: Turbidity

Option D: Chlorinous taste

Correct Answer: Dissolved oxygen ✔

Option A: Pyrex

Option B: Soda

Option C: Flint

Option D: Crooke’s

Correct Answer: Flint ✔

Option A: CO and H2

Option B: N2 and H2

Option C: H2, CH4 and CO

Option D: CO2 and H2

Correct Answer: CO and H2 ✔

Option A: Titanium dioxide

Option B: Ferrous sulphate

Option C: Lead chromates

Option D: Zinc sulphides

Correct Answer: Lead chromates ✔

Option A: Explosive

Option B: Rocket fuel

Option C: Detergents additive

Option D: None of these

Correct Answer: Rocket fuel ✔

Option A: Condensation product of Hexamethylene diamine and adipic acid

Option B: Thermosetting material

Option C: Condensation product of dimethyl terephthalate and ethylene glycol

Option D: None of these

Correct Answer: None of these ✔

Option A: Colloids

Option B: Gel

Option C: Butter

Option D: Emulsion

Correct Answer: Butter ✔

Option A: Produces high density polyethylene

Option B: Produces low density polyethylene

Option C: Uses no catalyst

Option D: Employs very high pressure

Correct Answer: Produces high density polyethylene ✔

Option A: Cutting and welding by oxy-acetylene flame

Option B: Hospitals for medicinal purposes

Option C: Gas masks and artificial breathing apparatus

Option D: All A, B, and C.

Correct Answer: D. All A, B, and C. ✔

Option A: Copper

Option B: Lead

Option C: Tin

Option D: Iron

Correct Answer: Copper ✔

Option A: Hematite

Option B: Magnetite

Option C: Siderite

Option D: Chalcopyrite

Correct Answer: Hematite ✔

Option A: Mineral oil, soap and additives

Option B: Mineral oil and metallic soap

Option C: Mineral oil and fatty oil

Option D: Fatty oil and metallic soap

Correct Answer: Mineral oil, soap and additives ✔

Option A: Coke oven gas

Option B: Water gas

Option C: Blast furnace gas

Option D: L.D. converter gas

Correct Answer: D. L.D. converter gas ✔

Option A: Chamber

Option B: Chance

Option C: Tromp

Option D: Solvay

Correct Answer: Solvay ✔

Option A: Lignin

Option B: Cellulose

Option C: Starch

Option D: Gelatine

Correct Answer: Cellulose ✔

Option A: Light & heavy leather respectively

Option B: Heavy & light leather respectively

Option C: Both light & heavy leather

Option D: Neither light nor heavy leather

Correct Answer: Light & heavy leather respectively ✔

Option A: Called ester value

Option B: Always negative

Option C: Constant for all fatty oils

Option D: None of these

Correct Answer: Called ester value ✔

Option A: NH3

Option B: NaCl

Option C: CaO

Option D: Coke

Correct Answer: NH3 ✔

Option A: AgO

Option B: Al2O3

Option C: ZnCl2

Option D: Fe2O3

Correct Answer: AgO ✔

Option A: Conversion of SO2 to SO3

Option B: NH3 synthesis reaction

Option C: Both A. and B.

Option D: Neither A. nor B.

Correct Answer: NH3 synthesis reaction ✔

Option A: Trichloroethylene

Option B: Perchloroethylene

Option C: Parathion

Option D: Methanol

Correct Answer: Perchloroethylene ✔

Option A: Rhombic sulphur

Option B: Monoclinic sulphur

Option C: Plastic sulphur

Option D: Milk of sulphur

Correct Answer: Plastic sulphur ✔

Option A: Greater resistance to corrosion by slags

Option B: Less resistance to corrosion by slags

Option C: High spalling tendency

Option D: None of these

Correct Answer: Greater resistance to corrosion by slags ✔

Option A: CaCO3

Option B: MgCO3

Option C: Na2CO3

Option D: CaSO4

Correct Answer: CaCO3 ✔

Option A: Concentrated H2SO4

Option B: Sulphurous acid

Option C: Oleum

Option D: None of these

Correct Answer: Oleum ✔

Option A: Remove double bonds

Option B: Raise its melting point

Option C: Improve its resistance to oxidation

Option D: None of these

Correct Answer: None of these ✔

Option A: Radiation

Option B: Supported metal oxide catalysts

Option C: Ziegler catalysts

Option D: All A , B. & C

Correct Answer: D. All A , B. & C ✔

Option A: Diastase

Option B: Maltase

Option C: Yeast

Option D: None of these

Correct Answer: Diastase ✔

Option A: Resistance to the action of organic solvent

Option B: Tackiness

Option C: Maximum service temperature

Option D: Tensile strength

Correct Answer: Tackiness ✔

Option A: Saponification

Option B: Esterification

Option C: Neutralisation

Option D: Acidification

Correct Answer: Esterification ✔

Option A: As a plasticiser for unsaturated polyester

Option B: In the manufacture of synthetic rubber

Option C: As an anti-skinning agent in paint

Option D: None of these

Correct Answer: In the manufacture of synthetic rubber ✔