Chemical Process MCQs

Option A: Lead glass

Option B: High silica (borosilicate) glass

Option C: Photo-sensitive glass

Option D: Fibre glass

Correct Answer: Photo-sensitive glass ✔

Option A: Palmitic

Option B: Oleic

Option C: Stearic

Option D: Oxalic

Correct Answer: Oleic ✔

Option A: Bond paper

Option B: Writing paper

Option C: Blotting paper

Option D: Coloured paper

Correct Answer: Blotting paper ✔

Option A: Sugar

Option B: Paper

Option C: Alcohol from molasses

Option D: Phenol formaldehyde

Correct Answer: Paper ✔

Option A: A metal can be economically extracted from it

Option B: It contains ≥ 40% metal

Option C: The metal present in it is costly

Option D: All A , B. and C.

Correct Answer: A metal can be economically extracted from it ✔

Option A: Washing soda

Option B: Soda ash

Option C: Plaster of Paris

Option D: Calcite

Correct Answer: Soda ash ✔

Option A: Autothermal

Option B: Trickle bed

Option C: Plug flow

Option D: None of these

Correct Answer: Trickle bed ✔

Option A: Cement

Option B: Glass

Option C: Potteries

Option D: Caustic soda

Correct Answer: Caustic soda ✔

Option A: Evaporation followed by vacuum distillation

Option B: Liquid extraction technique

Option C: Extractive distillation technique

Option D: None of these

Correct Answer: Evaporation followed by vacuum distillation ✔

Option A: Penicillin

Option B: Streptomycin

Option C: Tetracycline

Option D: Quinine

Correct Answer: Quinine ✔

Option A: Chemical

Option B: Biochemical

Option C: Photochemical

Option D: Electrochemical

Correct Answer: Biochemical ✔

Option A: Impart adhesive properties

Option B: Improve opacity

Option C: Impart resistance to penetration by liquids

Option D: None of these

Correct Answer: Impart resistance to penetration by liquids ✔

Option A: Caustic soda

Option B: Soda ash

Option C: Caustic potash

Option D: Soda lime

Correct Answer: Soda ash ✔

Option A: Stiffen the leather

Option B: Smoothen the leather

Option C: Make it flexible

Option D: Impart water resistance

Correct Answer: Stiffen the leather ✔

Option A: 30

Option B: 50

Option C: 70

Option D: 90

Correct Answer: 70 ✔

Option A: Soap

Option B: Detergent

Option C: Oil hydrogenation

Option D: Paint

Correct Answer: Soap ✔

Option A: L.D. converter

Option B: Blast furnace

Option C: Rotary kiln

Option D: Recuperator

Correct Answer: Recuperator ✔

Option A: Slaked lime

Option B: Soda lime

Option C: Calcium perchlorate

Option D: None of these

Correct Answer: Slaked lime ✔

Option A: Give good glossy finish

Option B: Are same as varnish

Option C: Are prepared from non-drying oil

Option D: Do not contain pigment

Correct Answer: Give good glossy finish ✔

Option A: Addition of soda ash to it

Option B: Treating it with zeolites

Option C: Passing it through sodium hexametaphosphate

Option D: All A , B, and C.

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

Option A: Polyurethane

Option B: Silicone

Option C: Teflon

Option D: Epoxy resin

Correct Answer: Teflon ✔

Option A: Hypo

Option B: Bleaching powder

Option C: Plaster of Paris

Option D: Aqua regia

Correct Answer: Bleaching powder ✔

Option A: Can be readily oxidised

Option B: Pose problem in sewerage plant

Option C: Have an isoparaffinic structure

Option D: Should not be used as it spoils the cloth

Correct Answer: Can be readily oxidised ✔

Option A: Lead

Option B: Borosilicate

Option C: Soda lime

Option D: Alkali silicate

Correct Answer: Borosilicate ✔

Option A: Bakelite

Option B: Teflon

Option C: Perspex

Option D: Nylon-6

Correct Answer: Perspex ✔

Option A: Accelerate the oxidation of oil

Option B: Prevent gelling of the paint

Option C: Suspend pigments & dissolve film forming materials

Option D: Form a protective film

Correct Answer: Suspend pigments & dissolve film forming materials ✔

Option A: Sodium

Option B: Potassium

Option C: Both sodium & potassium

Option D: Aluminium or calcium

Correct Answer: Aluminium or calcium ✔

Option A: Diethyl-diphenyl-trichloromethane

Option B: Dichloro-diphenyl-trichloromethane

Option C: diphenyl-dichloro-trichloromethane

Option D: Dichloro-diphenyl-trichloroethane

Correct Answer: Dichloro-diphenyl-trichloroethane ✔

Option A: 5

Option B: 10

Option C: 20

Option D: 35

Correct Answer: 20 ✔

Option A: Has low free fatty acid content

Option B: Is odourless

Option C: Has more of unsaturates

Option D: None of these

Correct Answer: None of these ✔

Option A: Chlorine

Option B: Ammonium chloride

Option C: Sodium carbonate

Option D: Sodium bi-carbonate

Correct Answer: Chlorine ✔

Option A: To produce benzene

Option B: To produce phenol formaldehyde

Option C: To produce polyester resin

Option D: As a plasticiser for unsaturated polyester

Correct Answer: To produce phenol formaldehyde ✔

Option A: In making PVC

Option B: As plasticisers

Option C: In insecticides manufacture

Option D: For making nylon-6

Correct Answer: As plasticisers ✔

Option A: Pyrex

Option B: Soda lime

Option C: Lead

Option D: High silica

Correct Answer: Pyrex ✔

Option A: Acid dye

Option B: Azoic dye

Option C: Pigment dye

Option D: Mordant dye

Correct Answer: Acid dye ✔

Option A: Fischer-Tropsch process

Option B: Shift conversion

Option C: Hydrogenation of oil

Option D: Ostwald’s process of HNO3 manufacture

Correct Answer: D. Ostwald’s process of HNO3 manufacture ✔

Option A: Does not affect the lather formation by soap

Option B: Is not unfit for drinking purpose

Option C: Pollutes the water stream

Option D: All A, B. and C

Correct Answer: Is not unfit for drinking purpose ✔

Option A: Calcium sulphate

Option B: Sodium chloride

Option C: Sodium sulphate

Option D: Magnesium chloride

Correct Answer: Sodium chloride ✔

Option A: -53

Option B: -103

Option C: -183

Option D: -196

Correct Answer: -183 ✔

Option A: Making oxygen

Option B: Producing helium

Option C: Mining sulphur

Option D: Making nitrogen

Correct Answer: Mining sulphur ✔

Option A: Sulfadiazine

Option B: Mestranol

Option C: Methyl salicylate

Option D: Penicillin

Correct Answer: Mestranol ✔

Option A: Monomer

Option B: Synthetic rubber

Option C: Polyester

Option D: None of these

Correct Answer: Synthetic rubber ✔

Option A: Glycerine

Option B: Salt petre

Option C: Nitro glycerine

Option D: Dynamite

Correct Answer: Salt petre ✔

Option A: 2000

Option B: 700

Option C: 1100

Option D: < 500

Correct Answer: 1100 ✔

Option A: Cellulose nitrate

Option B: Regenerated cellulose nitrate

Option C: Cellulose acetate

Option D: Regenerated cellulose acetate

Correct Answer: Regenerated cellulose acetate ✔

Option A: Require lower initial investment

Option B: Require more power

Option C: Produce lower concentration NaOH

Option D: None of these

Correct Answer: None of these ✔

Option A: 1 – 2

Option B: 15 – 20

Option C: 50 – 60

Option D: 80 – 85

Correct Answer: B. 15 – 20 ✔

Option A: Cleaning power booster

Option B: Anti-redeposition agent

Option C: Corrosion inhibitor

Option D: Fabric brightener

Correct Answer: Cleaning power booster ✔

Option A: High cost of mercury

Option B: High specific gravity of mercury

Option C: Non-availability of high purity mercury

Option D: Pollution of water stream by mercury

Correct Answer: Pollution of water stream by mercury ✔

Option A: Refractory material

Option B: Synthetic resin

Option C: Artificial abrasive

Option D: Blue pigment

Correct Answer: Refractory material ✔

Option A: Cryolite

Option B: Chalcopyrite

Option C: Rock phosphate

Option D: None of these

Correct Answer: Rock phosphate ✔

Option A: Slag cement

Option B: Glasses

Option C: Porcelain/Potteries

Option D: Teflon

Correct Answer: Teflon ✔

Option A: Phosphoric acid

Option B: Phosphorous

Option C: Superphosphates

Option D: All A , B. and C

Correct Answer: D. All A , B. and C ✔

Option A: Al2O3

Option B: SiO2

Option C: CaO

Option D: Fe2O3

Correct Answer: SiO2 ✔

Option A: C+ ½O2 = CO

Option B: CO + 3H2 = CH4 + H2O

Option C: CaCO3 = CaO + CO2

Option D: CO + ½O2 = CO2

Correct Answer: CaCO3 = CaO + CO2 ✔

Option A: Benzol-toluol-xylol

Option B: Benzol-toluene-xylene

Option C: Benzene-toluol-xylol

Option D: Benzene-toluene-xylene

Correct Answer: Benzene-toluene-xylene ✔

Option A: Its calorific value is very less

Option B: Tar neutralises the residual acids present in pitch

Option C: It reduces viscosity and imparts fluidity for its transportation through pipelines at economic

Option D: All A, B. and C.

Correct Answer: C. It reduces viscosity and imparts fluidity for its transportation through pipelines at economic
pressure drop ✔

Option A: Vertical shaft

Option B: Rotary

Option C: Fluidised bed

Option D: Fixed bed

Correct Answer: Fixed bed ✔

Option A: Electrical insulator

Option B: Allotrope of carbon

Option C: Moderator used in nuclear reactor

Option D: Both B. and C.

Correct Answer: D. Both B. and C. ✔

Option A: Zinc

Option B: Lead

Option C: Boron

Option D: Selenium

Correct Answer: Lead ✔

Option A: Nitric acid

Option B: Hydrochloric acid

Option C: Methyl alcohol

Option D: Formic acid

Correct Answer: Nitric acid ✔

Option A: Cermet

Option B: Cement

Option C: Abrasive

Option D: Explosive

Correct Answer: Cement ✔

Option A: 102 – 102

Option B: 105 – 109

Option C: 102 – 107

Option D: 109 – 1011

Correct Answer: C. 102 – 107 ✔

Option A: Lignite

Option B: Sub-bituminous

Option C: Anthracite

Option D: Peat

Correct Answer: Anthracite ✔

Option A: Pigment

Option B: Thinner

Option C: Dryer

Option D: Anti-skimming agent

Correct Answer: Pigment ✔

Option A: Hydrochloric acid

Option B: H2SO4 by Chamber process

Option C: Calcium carbide

Option D: Corundum

Correct Answer: Hydrochloric acid ✔

Option A: Flocculate the impurities

Option B: Facilitate fast filtration

Option C: Both A. and B.

Option D: Neither A. nor B.

Correct Answer: C. Both A. and B. ✔

Option A: SO3

Option B: Cl2

Option C: NH3

Option D: SO2

Correct Answer: Cl2 ✔

Option A: 25°C, 2 atm

Option B: 50°C, l0 atm

Option C: 30°C, 200 mm Hg (absolute)

Option D: 90°C, 45 atm

Correct Answer: 25°C, 2 atm ✔

Option A: Bicarbonates & sulphates of calcium and magnesium

Option B: Undesirable taste and odour

Option C: Bacteria

Option D: Its corrosiveness

Correct Answer: Bicarbonates & sulphates of calcium and magnesium ✔

Option A: Recovery of product will be difficult

Option B: Contamination of pure culture would result

Option C: Uniformity of product cannot be achieved

Option D: None of these

Correct Answer: Contamination of pure culture would result ✔

Option A: As a lubricant

Option B: As a rust preventive

Option C: In hard water for cleaning of cloth

Option D: As a foam depressant in distillation column

Correct Answer: As a lubricant ✔

Option A: FeO.TiO2

Option B: Ca SO4 . 2H2O

Option C: Fe4 [Fe (CN6)3]

Option D: AlF3 . 3NaF

Correct Answer: Fe4 [Fe (CN6)3] ✔

Option A: Alcohol

Option B: Essential oil

Option C: Fatty acids

Option D: Massecuite

Correct Answer: Alcohol ✔

Option A: Anti-malarial

Option B: Anti-TB

Option C: Antibiotic

Option D: None of these

Correct Answer: None of these ✔

Option A: Can use low grade brine

Option B: Has less corrosion problems

Option C: Involves higher investment in NH3 recovery units than that for crystallisation units for NH4Cl

Option D: Both B. and C.

Correct Answer: D. Both B. and C. ✔

Option A: Dilute H2SO4

Option B: Oleum

Option C: Ultraviolet light

Option D: None of these

Correct Answer: Oleum ✔

Option A: 45

Option B: 70

Option C: 95

Option D: 99.5

Correct Answer: 95 ✔

Option A: Dehydrogenation

Option B: Oxidation

Option C: Alkylation

Option D: Dehydration

Correct Answer: Dehydrogenation ✔

Option A: It does not react with water

Option B: It is poisonous

Option C: Its kindling temperature in dry air is very low

Option D: It is unstable

Correct Answer: Its kindling temperature in dry air is very low ✔

Option A: Bleached easily

Option B: Dull white in color

Option C: Strong fibrous

Option D: Dark colored

Correct Answer: Strong fibrous ✔

Option A: 15-30

Option B: 90-100

Option C: 250-300

Option D: < 0

Correct Answer: 15-30 ✔

Option A: Low temperature and low pressure

Option B: Low temperature and high pressure

Option C: High temperature and low pressure

Option D: High temperature and high pressure

Correct Answer: Low temperature and high pressure ✔

Option A: Coke oven gas

Option B: Blast furnace gas

Option C: Producer gas

Option D: Water gas (blue gas)

Correct Answer: Coke oven gas ✔

Option A: Ca(HCO3)2

Option B: CaCl2

Option C: MgCl2

Option D: None of these

Correct Answer: Ca(HCO3)2 ✔

Option A: C

Option B: CO

Option C: CO2

Option D: H2

Correct Answer: C ✔

Option A: Phosphates

Option B: Chromates

Option C: Sulphates

Option D: Bi-carbonates

Correct Answer: Chromates ✔

Option A: Alum

Option B: Limestone

Option C: Coke

Option D: Quartz

Correct Answer: Limestone ✔

Option A: Triglyceride

Option B: Fatty acids

Option C: Fatty alcohol

Option D: Mono esters

Correct Answer: Triglyceride ✔

Option A: 10 atm., 800 °C

Option B: 10 atm., 170-180°C

Option C: 1 atm., 170 – 180°C

Option D: 1 atm., 800°C

Correct Answer: 10 atm., 170-180°C ✔

Option A: Mainly CaO

Option B: Subjected to galvanising

Option C: A super cooled liquid

Option D: All A , B. and C.

Correct Answer: A super cooled liquid ✔

Option A: Improve the soap texture

Option B: Cure pimples & dandruff

Option C: Fasten lather formation

Option D: Increase its cleansing action

Correct Answer: Cure pimples & dandruff ✔

Option A: Oxidation of Na+ ions

Option B: Oxidation of Cl- ions

Option C: Reduction of Na+ ions

Option D: Reduction of Cl- ions

Correct Answer: Oxidation of Cl- ions ✔

Option A: Detergent

Option B: Vanaspati

Option C: Soap

Option D: Mercaptans

Correct Answer: Soap ✔

Option A: Amino acid

Option B: Biological catalyst

Option C: Protein

Option D: Enzyme

Correct Answer: Protein ✔

Option A: -83

Option B: -183

Option C: -196

Option D: -218

Correct Answer: -183 ✔

Option A: Water hating

Option B: Soil loving

Option C: Water loving

Option D: None of these

Correct Answer: Water loving ✔

Option A: Preferred over contact process for producing 98 to 100% H2SO4 and various oleums

Option B: Non-catalytic and operates only on pyrites

Option C: A batch process for directly producing high strength (98 to 100%) H2SO4

Option D: None of these

Correct Answer: None of these ✔

Option A: Limestone

Option B: Soda ash

Option C: Coke

Option D: Sodium sulphate

Correct Answer: Soda ash ✔

Option A: Drilling of petroleum wells and pickling of steel sheets

Option B: Manufacture of cationic detergent

Option C: Treatment of spent fuel of nuclear reactor

Option D: None of these

Correct Answer: Drilling of petroleum wells and pickling of steel sheets ✔