Chemical Process MCQs

Option A: Methyl alcohol

Option B: Ethyl alcohol

Option C: Benzol

Option D: Dimethyl ether

Correct Answer: Ethyl alcohol ✔

Option A: Phenol

Option B: Naphthalene

Option C: Isopropanol

Option D: Ethyl benzene

Correct Answer: Isopropanol ✔

Option A: CaCl2

Option B: NH4Cl

Option C: NH3

Option D: NaOH

Correct Answer: CaCl2 ✔

Option A: ZnO

Option B: Ni

Option C: V2O5

Option D: FeO

Correct Answer: ZnO ✔

Option A: Nitrobenzene

Option B: Toluene

Option C: Nitrotoluene

Option D: Benzene

Correct Answer: Toluene ✔

Option A: Increases

Option B: Increases linearly

Option C: Decreases

Option D: Decreases linearly

Correct Answer: Decreases ✔

Option A: Binding material for coal briquettes

Option B: Fuel in rotary kiln

Option C: Binder in making carbon electrodes

Option D: All A , B. and C.

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

Option A: Both temperature & pressure in the former is less than that

Option B: Both temperature & pressure in the former is more than that

Option C: Temperature is more in the former whereas pressure is more

Option D: Pressure is more in the former whereas temperature is less

Correct Answer: Both temperature & pressure in the former is more than that ✔

Option A: Lead oxide

Option B: Zinc oxide

Option C: Zinc sulphide

Option D: Cellulosic photographic material

Correct Answer: Lead oxide ✔

Option A: Polyester

Option B: Unsaturated polyester

Option C: Polyamide

Option D: Inorganic polymer

Correct Answer: Polyester ✔

Option A: Reverse osmosis

Option B: Sand filter

Option C: Lime soda

Option D: Permutit

Correct Answer: Reverse osmosis ✔

Option A: Storage under improper conditions

Option B: Absence of unsaturation

Option C: Its smaller molecular weight

Option D: None of these

Correct Answer: Storage under improper conditions ✔

Option A: Manufacture of explosive

Option B: Conditioning and humidification of tobacco

Option C: Manufacture of pharmaceuticals

Option D: None of these

Correct Answer: None of these ✔

Option A: Plastic

Option B: Monoclinic

Option C: Rhombic

Option D: Flowers of sulphur

Correct Answer: Rhombic ✔

Option A: Increase the rate of absorption

Option B: Avoid corrosion

Option C: Reduce the cooling water circulation rate

Option D: None of these

Correct Answer: Avoid corrosion ✔

Option A: Citric acid

Option B: Invertage

Option C: Benzoyl peroxide

Option D: Ammonium chloride

Correct Answer: Ammonium chloride ✔

Option A: Anaerobic

Option B: Aerobic

Option C: Endothermic

Option D: Both B. and C.

Correct Answer: Aerobic ✔

Option A: Fertiliser manufacture

Option B: Car battery solution

Option C: Synthesis of oleum

Option D: Water treatment

Correct Answer: Car battery solution ✔

Option A: Lime, clay and soda ash

Option B: Sand, lime and soda ash

Option C: Silica, alumina and clay

Option D: Silica, alumina and soda ash

Correct Answer: Sand, lime and soda ash ✔

Option A: Detergent

Option B: Plasticiser for unsaturated polyester

Option C: Starting material for the synthesis of glycerine

Option D: Coating ingredient for photographic film

Correct Answer: Detergent ✔

Option A: Calcium carbonate

Option B: Calcium oxide

Option C: Tricalcium silicate

Option D: Calcium sulphate

Correct Answer: Tricalcium silicate ✔

Option A: Addition

Option B: Condensation

Option C: Thermosetting

Option D: None of these

Correct Answer: Addition ✔

Option A: Cellulose

Option B: Lignin

Option C: Both A. & B.

Option D: None of these

Correct Answer: Cellulose ✔

Option A: Barium sulphate

Option B: Aluminium sulphate

Option C: Aluminium chloride

Option D: Calcium sulphate

Correct Answer: Aluminium sulphate ✔

Option A: Fire extinguishers

Option B: Sugar

Option C: Baking powder

Option D: Detergents

Correct Answer: Detergents ✔

Option A: Distillation

Option B: Hydrogenation of oils

Option C: Absorption

Option D: Humidification

Correct Answer: Hydrogenation of oils ✔

Option A: Electrolysis

Option B: Electrolytic reduction

Option C: Electrolytic oxidation

Option D: None of these

Correct Answer: Electrolytic reduction ✔

Option A: Gypsum

Option B: Feldspar

Option C: Galena

Option D: Bauxite

Correct Answer: Bauxite ✔

Option A: Diamine and the ring

Option B: Dibasic acid and the ring

Option C: Diamine and the dibasic acid

Option D: None of these

Correct Answer: Diamine and the dibasic acid ✔

Option A: 1 atm & 100°C

Option B: 5 atm & 275°C

Option C: 100 atm & 500°C

Option D: 50 atm & 1000°C

Correct Answer: 5 atm & 275°C ✔

Option A: 80

Option B: 90

Option C: 98

Option D: 100

Correct Answer: 98 ✔

Option A: Dehydrogenation

Option B: Oxidation

Option C: Alkylation

Option D: Dehydration

Correct Answer: Dehydrogenation ✔

Option A: Plaster of Paris

Option B: Salt cake

Option C: Nitre cake

Option D: Lime

Correct Answer: Plaster of Paris ✔

Option A: 20% oleum

Option B: 65% oleum

Option C: 78% H2SO4

Option D: 98% H2SO4

Correct Answer: 98% H2SO4 ✔

Option A: Avoid its decomposition

Option B: Prevent sulphonation of the monochlorobenzene by the acid catalyst

Option C: Achieve non-hygroscopic property

Option D: None of these

Correct Answer: Avoid its decomposition ✔

Option A: Film forming materials

Option B: Plasticisers

Option C: Diluents

Option D: Solvents

Correct Answer: Plasticisers ✔

Option A: SO2

Option B: H2SO3

Option C: SO3

Option D: H2SO4

Correct Answer: SO3 ✔

Option A: Alumina

Option B: Silica gel

Option C: Platinum

Option D: Nickel

Correct Answer: Alumina ✔

Option A: Nickel

Option B: Platinum

Option C: Iron

Option D: Alumina

Correct Answer: Nickel ✔

Option A: Increase the density of cement

Option B: Decrease the cement setting rate

Option C: Both A. and B.

Option D: Neither A. nor B.

Correct Answer: Decrease the cement setting rate ✔

Option A: As a rocket fuel

Option B: In water treatment

Option C: As a disinfectant

Option D: As fire retardant

Correct Answer: As a rocket fuel ✔

Option A: Styrene

Option B: Naphthalene

Option C: Phenol

Option D: Benzoic acid

Correct Answer: Styrene ✔

Option A: Alum

Option B: Washing soda

Option C: Soda ash

Option D: Calcium carbide

Correct Answer: Soda ash ✔

Option A: Solar evaporation

Option B: Vacuum evaporation

Option C: Freeze drying

Option D: Electrolysis

Correct Answer: Vacuum evaporation ✔

Option A: Styrene

Option B: Ethyl alcohol

Option C: Cumene

Option D: Phenol

Correct Answer: Styrene ✔

Option A: Formaldehyde

Option B: Phenol

Option C: Acetone

Option D: Maleic anhydride

Correct Answer: Formaldehyde ✔

Option A: Reduction

Option B: Desorption

Option C: Nitration

Option D: Combustion

Correct Answer: Desorption ✔

Option A: Maltose

Option B: Starch

Option C: Sucrose

Option D: Glucose

Correct Answer: Starch ✔

Option A: Explosive

Option B: Soap

Option C: Detergent

Option D: Analgesic drug

Correct Answer: Detergent ✔

Option A: Flint

Option B: Soda

Option C: Pyrex

Option D: Potash

Correct Answer: Pyrex ✔

Option A: Helps in grease separation

Option B: Increases the biological oxygen demand (BOD)

Option C: Causes bulking of activated sludge

Option D: Aids in flocculation

Correct Answer: Helps in grease separation ✔

Option A: Quick lime

Option B: Slaked lime

Option C: Limestone

Option D: Calcite

Correct Answer: Quick lime ✔

Option A: Nickel

Option B: Vanadium

Option C: Silica gel

Option D: Alumina

Correct Answer: Nickel ✔

Option A: Storage & shipment of frozen foods and ice-creams

Option B: Liquefaction of permanent gases

Option C: Liquefaction of natural gas

Option D: None of these

Correct Answer: Storage & shipment of frozen foods and ice-creams ✔

Option A: Bauxite

Option B: Limestone

Option C: Quartz

Option D: Manganese

Correct Answer: Limestone ✔

Option A: Independent of

Option B: Directly proportional to

Option C: Inversely proportional to

Option D: Proportional to the square of

Correct Answer: Independent of ✔

Option A: Dehydration

Option B: Reduction

Option C: Oxidation

Option D: Polymerisation

Correct Answer: Oxidation ✔

Option A: Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and

Option B: Metallic soaps with frothing agent and free Stearic acid to achieve transparency

Option C: Metallic soaps with frothing agent from which glycerine has not been recovered

Option D: None of these

Correct Answer: A. Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and
finally washed with methylated spirit to achieve transparency ✔

Option A: -5 to 0

Option B: 5 to 10

Option C: 30 to 50

Option D: 75 to 80

Correct Answer: 30 to 50 ✔

Option A: Separation of isotopes of uranium from gaseous uranium hexafluoride

Option B: Separation of helium from natural gas

Option C: Desalination of brackish water to produce potable (drinking) water

Option D: Purification of oxygen

Correct Answer: Desalination of brackish water to produce potable (drinking) water ✔

Option A: DDT

Option B: BHC

Option C: Parathion

Option D: None of these

Correct Answer: DDT ✔

Option A: Less changes in fluidity of oil with temperature

Option B: Substantially high change in fluidity of oil with temperature

Option C: Its unsuitability under varying temperature conditions

Option D: None of these

Correct Answer: Less changes in fluidity of oil with temperature ✔

Option A: Oil of vitriol

Option B: Muriatic acid

Option C: Strong organic acid

Option D: Green acid

Correct Answer: Muriatic acid ✔

Option A: Amorphous isotropic material

Option B: Supercooled liquid

Option C: Material with sharp definite melting point

Option D: Electrical insulator

Correct Answer: Material with sharp definite melting point ✔

Option A: Mixture of glycerides

Option B: Mixture of esters of polyhydric alcohols excepting glycerine

Option C: Liquid at room temperature

Option D: Mixture of glycerides of fatty acids

Correct Answer: Mixture of esters of polyhydric alcohols excepting glycerine ✔

Option A: 1

Option B: 2.5

Option C: 5

Option D: 10

Correct Answer: 2.5 ✔

Option A: Lower melting point & higher reactivity to oxygen

Option B: Higher melting point & higher reactivity to oxygen

Option C: Lower melting point & lower reactivity to oxygen

Option D: Higher melting point & lower reactivity to oxygen

Correct Answer: Lower melting point & higher reactivity to oxygen ✔

Option A: Same as Dacron

Option B: A polyester

Option C: Both A. & B.

Option D: Neither A. nor B.

Correct Answer: C. Both A. & B. ✔

Option A: Polyvinyl chloride (PVC)

Option B: Polybutadiene

Option C: Phenol formaldehyde

Option D: Polyurethane

Correct Answer: Phenol formaldehyde ✔

Option A: Crystallisation

Option B: Vacuum crystallisation

Option C: Atmospheric distillation

Option D: Dehydration

Correct Answer: Vacuum crystallisation ✔

Option A: Quick lime

Option B: Glauber’s salt

Option C: Salt petre

Option D: Bromine

Correct Answer: Bromine ✔

Option A: Ground-wood

Option B: Board

Option C: Tissue

Option D: Wrapping

Correct Answer: Ground-wood ✔

Option A: C + H2O = CO + H2

Option B: CaC2 + H2O = Ca(OH)2 + C2H2

Option C: MgCO3 = MgO + CO2

Option D: All (A), B. and (C)

Correct Answer: CaC2 + H2O = Ca(OH)2 + C2H2 ✔

Option A: Ethylene dichloride

Option B: Chlorobenzene

Option C: Carbon tetrachloride

Option D: Chlorinated paraffin

Correct Answer: Carbon tetrachloride ✔

Option A: Carbonates

Option B: Bicarbonates

Option C: Phosphates

Option D: Sulphates

Correct Answer: Bicarbonates ✔

Option A: A black, sticky & viscous liquid

Option B: Used in the manufacture of greases, emulsions & soaps

Option C: Composed mainly of rosin & fatty acids

Option D: All A , B. & C.

Correct Answer: D. All A , B. & C. ✔

Option A: About 90% of nitric acid is manufactured by Ostwald’s process

Option B: It is a strong mono basic acid which reacts with almost all the metals except noble metals

Option C: Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO2)

Option D: Arc process of nitric acid manufacture is economical as compared to Ostwald’s process

Correct Answer: D. Arc process of nitric acid manufacture is economical as compared to Ostwald’s process ✔

Option A: Drying oil

Option B: Non-drying oil

Option C: Semi-drying oil

Option D: Saturated oil

Correct Answer: Drying oil ✔

Option A: For the manufacture of gas mantles

Option B: As a fissile fuel in a nuclear reactor

Option C: In the manufacture of hydrogen bomb

Option D: In the treatment of cancer

Correct Answer: For the manufacture of gas mantles ✔

Option A: Coagulation

Option B: Sedimentation

Option C: Softening

Option D: Disinfection

Correct Answer: Softening ✔

Option A: Emulsification

Option B: Dispersion

Option C: Precipitation

Option D: Wetting

Correct Answer: Precipitation ✔

Option A: Density

Option B: Chemical properties

Option C: Physical state

Option D: Composition

Correct Answer: Physical state ✔

Option A: A thermosetting material

Option B: A condensation polymerisation product

Option C: Made by employing emulsion polymerisation

Option D: None of these

Correct Answer: Made by employing emulsion polymerisation ✔

Option A: n-butene

Option B: Benzene

Option C: Either A. or B.

Option D: Neither A. nor B.

Correct Answer: C. Either A. or B. ✔

Option A: N2 & H2

Option B: CO2 & H2

Option C: CO & H2

Option D: C & H2

Correct Answer: CO & H2 ✔

Option A: 75

Option B: < 10

Option C: > 30

Option D: 50

Correct Answer: < 10 ✔

Option A: Can give ammonia synthesis gas (H2 + N2)

Option B: Is a moving bed reactor

Option C: Cannot use coking coal

Option D: Operate at very high pressure

Correct Answer: Can give ammonia synthesis gas (H2 + N2) ✔

Option A: Surfactant

Option B: Builder

Option C: Optical brightening agent

Option D: Anti soil redeposition agent

Correct Answer: Anti soil redeposition agent ✔

Option A: Not a fumigant

Option B: BHC (Benzene Hexachloride) containing 99% γ-isomer

Option C: A by-product of BHC manufacture

Option D: Both B. and C.

Correct Answer: BHC (Benzene Hexachloride) containing 99% γ-isomer ✔

Option A: 2

Option B: 10

Option C: 25

Option D: 50

Correct Answer: 2 ✔

Option A: 200-300

Option B: 700-850

Option C: 2000-2200

Option D: 4000-4500

Correct Answer: 2000-2200 ✔

Option A: Less susceptible to chemical attack by molten fluxes and gases etc

Option B: Very strong

Option C: Having very high thermal conductivity

Option D: None of these

Correct Answer: None of these ✔

Option A: L.D. steel making

Option B: Cutting and welding of metals

Option C: Medicinal purposes

Option D: Chemical oxidation processes

Correct Answer: Chemical oxidation processes ✔

Option A: NaOH

Option B: H2SO4

Option C: Hydrazine

Option D: Alum solution

Correct Answer: NaOH ✔

Option A: Hexamethylene diamine and adipic acid

Option B: Hexamethylene diamine and Maleic anhydride

Option C: Caprolactam

Option D: Dimethyl terephthalate and ethylene glycol

Correct Answer: Hexamethylene diamine and adipic acid ✔

Option A: Na2CO3

Option B: NaHCO3

Option C: H2

Option D: None of these

Correct Answer: H2 ✔

Option A: 20 – 30

Option B: < – 5

Option C: 100 – 150

Option D: 250 – 300

Correct Answer: A. 20 – 30 ✔

Option A: Baking soda

Option B: Baking powder

Option C: Washing soda

Option D: None of these

Correct Answer: Baking powder ✔

Option A: Drying

Option B: Semi-drying

Option C: Non-drying

Option D: None of these

Correct Answer: Non-drying ✔

Option A: Chloramine

Option B: Chlorine

Option C: Ferrous sulphate

Option D: Hydrogen peroxide

Correct Answer: Ferrous sulphate ✔