Chemical Process MCQs

Option A: Methyl amine

Option B: Naphthalene

Option C: Phenol

Option D: Xylene

Correct Answer: Naphthalene ✔

Option A: Polyisoprene

Option B: Neoprene

Option C: Nitrile-butadiene

Option D: None of these

Correct Answer: None of these ✔

Option A: Toluene

Option B: Ethyl alcohol

Option C: Naphthalene

Option D: Benzene

Correct Answer: Benzene ✔

Option A: Act as an acidifying agent

Option B: Increase its concentration

Option C: Increase the amount of molasses

Option D: Increase the crystal size

Correct Answer: Act as an acidifying agent ✔

Option A: Polymer

Option B: Printing

Option C: Dyeing

Option D: Photographic

Correct Answer: Dyeing ✔

Option A: Furnace → converter → absorber

Option B: Furnace → evaporator → absorber

Option C: Furnace → converter → evaporator

Option D: Converter → furnace → absorber

Correct Answer: Furnace → converter → absorber ✔

Option A: As an illuminant

Option B: For metal cutting/welding

Option C: Both A. & B.

Option D: Neither A. nor B.

Correct Answer: C. Both A. & B. ✔

Option A: Catalytic dehydrogenation of ethyl benzene

Option B: Dehydration of ethyl alcohol followed by hydrogenation

Option C: Reacting ethylene oxide with acetaldehyde

Option D: Fermentation of starch

Correct Answer: Catalytic dehydrogenation of ethyl benzene ✔

Option A: Prevent redeposition of soil on cleaned surface

Option B: Act as optical brightening agent

Option C: Inhibit corrosion in washing machines made of aluminium

Option D: None of these

Correct Answer: Prevent redeposition of soil on cleaned surface ✔

Option A: Bauxite

Option B: Silicon carbide

Option C: Boron carbide

Option D: Calcium carbide

Correct Answer: Silicon carbide ✔

Option A: Hard water contains sulphate

Option B: They form insoluble calcium soaps which precipitate

Option C: They attract back the removed dirt

Option D: None of these

Correct Answer: They form insoluble calcium soaps which precipitate ✔

Option A: 800

Option B: 1600

Option C: 4000

Option D: 8500

Correct Answer: 1600 ✔

Option A: Shaving

Option B: Medicated

Option C: Metallic

Option D: Transparent

Correct Answer: Medicated ✔

Option A: Fructose

Option B: Glucose

Option C: Both A. & B.

Option D: Neither A. nor B.

Correct Answer: Glucose ✔

Option A: Na2CO3

Option B: NaHCO3

Option C: Na2CO3.H2O

Option D: Na2CO3.10H2O

Correct Answer: NaHCO3 ✔

Option A: Aluminium

Option B: Silver

Option C: Copper

Option D: All A, B. and C

Correct Answer: Aluminium ✔

Option A: P

Option B: √P

Option C: P2

Option D: 1/P

Correct Answer: P ✔

Option A: Carbonating tower

Option B: Ammonia recovery

Option C: Ammonia recovery and size of the plant

Option D: Ammoniation of salt solution

Correct Answer: Ammonia recovery ✔

Option A: Hydrogenation

Option B: Hydrolysis

Option C: Hydrocracking

Option D: Hydration

Correct Answer: Hydrogenation ✔

Option A: Hydration

Option B: Dehydration

Option C: Hydrogenation

Option D: None of these

Correct Answer: Hydration ✔

Option A: Remove residual turbidity

Option B: Reduce the bacterial load on filter

Option C: Control taste and odour

Option D: Remove chlorinous taste

Correct Answer: Remove chlorinous taste ✔

Option A: Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic

Option B: Reduces sulphate ions to sulphides causing obnoxious smell

Option C: Increases the quantity of chlorine used for its purification

Option D: All A, B. and C.

Correct Answer: D. All A, B. and C. ✔

Option A: Explosive

Option B: White lead

Option C: Filter aid

Option D: ZnS (white pigment)

Correct Answer: ZnS (white pigment) ✔

Option A: Employs addition polymerisation

Option B: Employs condensation polymerisation

Option C: Is a monomer

Option D: Is an abrasive material

Correct Answer: Employs condensation polymerisation ✔

Option A: FeSO4

Option B: PbO

Option C: CaO

Option D: NaOH

Correct Answer: CaO ✔

Option A: 0.6

Option B: 1.2

Option C: 2.2

Option D: 3.8

Correct Answer: 1.2 ✔

Option A: Acrylonitrile and butadiene

Option B: Acrylonitrile and styrene

Option C: Isobutylene and isoprene

Option D: None of these

Correct Answer: Acrylonitrile and butadiene ✔

Option A: Cellulose

Option B: Lignin

Option C: Pentogens

Option D: None of these

Correct Answer: None of these ✔

Option A: Anthracene

Option B: Creosote oil

Option C: Carbolic oil

Option D: None of these

Correct Answer: None of these ✔

Option A: 300

Option B: 1100

Option C: 700

Option D: 900

Correct Answer: 700 ✔

Option A: Nitro-glycerine

Option B: Trinitrotoluene (TNT)

Option C: Cellulose nitrate

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

Correct Answer: All A , B., and C. ✔

Option A: Air

Option B: Water

Option C: Nitrogen

Option D: Helium

Correct Answer: Water ✔

Option A: Soft potassium soaps (potassium salt of fatty acid) with free Stearic acid to give lather a

Option B: Metallic soaps compounded with frothing agents

Option C: High free alkali soaps having excess of cane sugar and alcohol

Option D: None of these

Correct Answer: A. Soft potassium soaps (potassium salt of fatty acid) with free Stearic acid to give lather a
lasting property ✔