A unit operation is exemplified by the process of

Question

A unit operation is exemplified by the process of

A. Reduction

B. Desorption

C. Nitration

D. Combustion

Share this question with your friends

Show all Chemical Process MCQ

Comment

RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically

A. Cyclo trimethylene trinitramine

B. Trinitro resorcinol

C. Cyclo tetramethylene tetranitramine

D. Trinitrobenzene

Discuss this answer

Yellow phosphorus is transported under

A. Air

B. Water

C. Nitrogen

D. Helium

Discuss this answer

__________ is an ore concentrating metallurgical process involving a chemical change.

A. Electromagnetic separation

B. Froth floatation

C. Roasting

D. None of these

Discuss this answer

Sodium salt of higher molecular weight fatty acid is termed as the __________ soap.

A. Hard

B. Soft

C. Metallic

D. Lubricating

Discuss this answer

Pick out the wrong statement.

A. Low intensity explosives are also called propellants, whereas high intensity explosive are called detonators

B. Gun powder comprises of 75% salt petre, 15% charcoal and 10% sulphur

C. Lead azide is a popular military explosive

D. TNT is a hygroscopic explosive having very high melting point and is non-toxic to human being

Discuss this answer

Contact process of sulphuric acid manufacture

A. Yields acid of higher concentration than chamber process

B. Yields acids of lower concentration than chamber process

C. Is obsolete

D. Eliminates absorber

Discuss this answer

Poly Vinyl Chloride (P.V.C.) is a __________ material.

A. Thermosetting

B. Thermoplastic

C. Fibrous

D. Chemically active

Discuss this answer

Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.

A. -83

B. -183

C. -196

D. -218

Discuss this answer

__________ are added in lacquers to remove film brittleness and to improve adhereness.

A. Film forming materials

B. Plasticisers

C. Diluents

D. Solvents

Discuss this answer

Ca(OH)₂ is called

A. Quicklime

B. Slaked lime

C. Limestone

D. Gypsum

Discuss this answer

Penicillin, an antibiotic drug was discovered by

A. Alexander

B. Flaming

C. Doctor Zhivago

D. None of these

Discuss this answer

Catalytic oxidation of toluene produces

A. Styrene

B. Phenol

C. Benzene

D. Tri-nitro-toluene

Discuss this answer

Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an

A. Explosive

B. Soap

C. Detergent

D. Analgesic drug

Discuss this answer

Average sulphur content in Indian pyrites is about __________ percent.

A. 15

B. 35

C. 55

D. 70

Discuss this answer

Sulphur removal by heating of pyrite ore in presence of air is called its

A. Reduction

B. Roasting

C. Calcination

D. Smelting

Discuss this answer

Alum [Al₂(SO₄)₃] is used as a coagulant in water treatment to remove

A. Colour

B. Turbidity

C. Bacteria

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

Discuss this answer

Caprolactam (a raw material for nylon-6 manufacture) is produced from

A. Phenol

B. Naphthalene

C. Benzene

D. Pyridine

Discuss this answer

Pick out the false statement pertaining to water treatment.

A. Aeration of water is effective in CO2 removal

B. The zeolite water softening process reduces the hardness of water by not more than 50%

C. Sodium sulphate or sodium carbonate do not cause hardness in water

D. Water with pH value less than 7, is acidic

Discuss this answer

Main constituent of limestone is

A. CaCO₃

B. MgCO₃

C. Na₂CO₃

D. CaSO₄

Discuss this answer

Permanent hardness of water is due to the presence of calcium & magnesium

A. Bi-carbonates

B. Sulphates & chlorides

C. Carbonate

D. None of these

Discuss this answer

Cement mainly contains

A. CaO, SiO₂, Al₂O₃

B. MgO, SiO₂, K₂O

C. Al₂O₃, MgO, Fe₂O₃

D. CaO, MgO, K₂O

Discuss this answer

Which of the following is used as a binding material in soap to improve soap texture?

A. Rosin

B. Borax

C. Benzyl acetate

D. Sodium carbonate

Discuss this answer

Acetone is produced by catalytic dehydrogenation of

A. Phenol

B. Naphthalene

C. Isopropanol

D. Ethyl benzene

Discuss this answer

Pick out the wrong statement.

A. Azoic dyes are mostly applied on cotton fabrics

B. Basic dyes (e.g. amino derivatives) are applied mostly to paper

C. Mordant dyes are applied mainly to wools

D. None of these

Discuss this answer

Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.

A. 25

B. 60-70

C. 150-200

D. 250-300

Discuss this answer

All enzymes are made of

A. Fats

B. Carbohydrates

C. Proteins

D. Amino acids

Discuss this answer

Pick out the wrong statement.

A. Conversion of SO₂ to SO₃ in Monsanto-4 pass converter is about 98%

B. The chemical formula of oleum is H2S2O7, which is formed by saturating sulphuric acid with sulphur trioxide

C. Vitriol oil is nothing but technical sulphuric acid

D. Decomposition of sulphuric acid on heating does not start before its boiling

Discuss this answer

99.5% purity oxygen is used in

A. Cutting and welding by oxy-acetylene flame

B. Hospitals for medicinal purposes

C. Gas masks and artificial breathing apparatus

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

Discuss this answer

Haemoglobin is a/an

A. Amino acid

B. Biological catalyst

C. Protein

D. Enzyme

Discuss this answer

Helium is produced on commercial scale from

A. Air

B. Natural gas

C. Coke oven gas

D. None of these

Discuss this answer

Accepted Answer

B. Desorption

A unit operation is exemplified by the process of

Correct Answer :

Show all Chemical Process MCQ

Related Questions

RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically

Yellow phosphorus is transported under

__________ is an ore concentrating metallurgical process involving a chemical change.

Sodium salt of higher molecular weight fatty acid is termed as the __________ soap.

Pick out the wrong statement.

Contact process of sulphuric acid manufacture

Poly Vinyl Chloride (P.V.C.) is a __________ material.

Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.

__________ are added in lacquers to remove film brittleness and to improve adhereness.

Ca(OH)₂ is called

Penicillin, an antibiotic drug was discovered by

Catalytic oxidation of toluene produces

Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an

Average sulphur content in Indian pyrites is about __________ percent.

Sulphur removal by heating of pyrite ore in presence of air is called its

Alum [Al₂(SO₄)₃] is used as a coagulant in water treatment to remove

Caprolactam (a raw material for nylon-6 manufacture) is produced from

Pick out the false statement pertaining to water treatment.

Main constituent of limestone is

Permanent hardness of water is due to the presence of calcium & magnesium

Cement mainly contains

Which of the following is used as a binding material in soap to improve soap texture?

Acetone is produced by catalytic dehydrogenation of

Pick out the wrong statement.

Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.

All enzymes are made of

Pick out the wrong statement.

99.5% purity oxygen is used in

Haemoglobin is a/an

Helium is produced on commercial scale from

Also checkout

A unit operation is exemplified by the process of

Correct Answer :

Show all Chemical Process MCQ

Related Questions

RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically

Yellow phosphorus is transported under

__________ is an ore concentrating metallurgical process involving a chemical change.

Sodium salt of higher molecular weight fatty acid is termed as the __________ soap.

Pick out the wrong statement.

Contact process of sulphuric acid manufacture

Poly Vinyl Chloride (P.V.C.) is a __________ material.

Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.

__________ are added in lacquers to remove film brittleness and to improve adhereness.

Ca(OH)2 is called

Penicillin, an antibiotic drug was discovered by

Catalytic oxidation of toluene produces

Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an

Average sulphur content in Indian pyrites is about __________ percent.

Sulphur removal by heating of pyrite ore in presence of air is called its

Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove

Caprolactam (a raw material for nylon-6 manufacture) is produced from

Pick out the false statement pertaining to water treatment.

Main constituent of limestone is

Permanent hardness of water is due to the presence of calcium & magnesium

Cement mainly contains

Which of the following is used as a binding material in soap to improve soap texture?

Acetone is produced by catalytic dehydrogenation of

Pick out the wrong statement.

Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.

All enzymes are made of

Pick out the wrong statement.

99.5% purity oxygen is used in

Haemoglobin is a/an

Helium is produced on commercial scale from

Also checkout

Ca(OH)₂ is called

Alum [Al₂(SO₄)₃] is used as a coagulant in water treatment to remove