99.5% purity oxygen is used in

Question

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)

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Blue colour is imparted to glass by the addition of

A. FeSO₄

B. PbO

C. CaO

D. NaOH

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In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst

A. Gives higher conversion efficiency

B. Has a longer life and is not poisoned by arsenic

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

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

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Which of the following is an endothermic reaction?

A. Absorption of SO₃ in 98% H₂SO₄

B. C + H₂O = CO + H₂

C. Thermal dissociation of iron pyrites

D. Both (B) and (C)

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Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process?

A. NH3

B. NaCl

C. CaO

D. Coke

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Epoxy resin

A. Is a good adhesive

B. Is an elastomer

C. Cannot be used for surface coatings

D. Is a polyester

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Bisphenol A is produced by the condensation of acetone with

A. Formaldehyde

B. Ethyl alcohol

C. Diethyl ether

D. Phenol

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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

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Magnesium and calcium __________ cause temporary hardness of water.

A. Carbonates

B. Bicarbonates

C. Phosphates

D. Sulphates

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Synthesis gas is a mixture of

A. CO and H₂

B. N₂ and H₂

C. H₂, CH₄ and CO

D. CO₂ and H₂

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Trinitrotoluene (TNT), an explosive, is made by the nitration of

A. Nitrobenzene

B. Toluene

C. Nitrotoluene

D. Benzene

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In Kraft process of paper manufacture, white cooking liquor consists of caustic soda

A. Sodium sulphide & sodium carbonate

B. Sodium sulphite & sodium carbonate

C. Sodium sulphite & sodium sulphide

D. None of these

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The enzyme which converts starch into the disaccharides maltose is

A. Diastase

B. Maltase

C. Yeast

D. None of these

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Dichloro diphenyl __________ is the full form of DDT (an insecticide).

A. Tetrachloroethane

B. Trichloroethane

C. Tetrachloromethane

D. Trichloromethane

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Starting raw material for the manufacture of Maleic anhydride is

A. n-butene

B. Benzene

C. Either (A) or (B)

D. Neither (A) nor (B)

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Salt is added in the kettle during soap manufacture to separate

A. Soap from lye

B. Glycerine from lye

C. The metallic soap

D. The unsaponified fat from soap

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Poly Tetrafluoroethylene (P.T.F.E.) is known as

A. Bakelite

B. Teflon

C. Celluloid

D. Dacron

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Which of the following is not a raw material used for the manufacture of ordinary glass?

A. Iron oxide

B. Soda ash

C. Limestone

D. Silica

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Chloral is used in the manufacture of

A. DDT

B. BHC

C. Parathion

D. None of these

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The most stable allotropic form of phosphorous is the __________ phosphorous.

A. White

B. Black

C. Yellow

D. Red

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Neon gas is

A. Flammable in nature

B. Used in color discharge tube

C. Filled in lamps having tungsten filament

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

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Which of the following is the second major component of cement?

A. Al₂O₃

B. CaO

C. SiO₂

D. Fe₂O₃

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

A. Bi-carbonates

B. Sulphates & chlorides

C. Carbonate

D. None of these

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Ethanol amine is produced using ammonia and

A. Ethyl benzene

B. Ethylene oxide

C. Ethanol

D. Ethane

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Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it

A. Has larger production capacity per unit cell

B. Consumes less power per ton of Cl2 produced

C. Produces high purity (70%) caustic soda directly

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

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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

Solvent used for extraction of oil is

A. Hexane

B. Methyl ethyl ketone

C. Furfural

D. None of these

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Use of chlorine in the treatment of sewage

A. Helps in grease separation

B. Increases the biological oxygen demand (BOD)

C. Causes bulking of activated sludge

D. Aids in flocculation

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A good quality coal should have

A. Low fusion point of ash

B. High ash content

C. High sulphur content

D. None of these

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Sizing material is incorporated in paper to

A. Impart resistance to penetration by liquids

B. Increase its thickness

C. Increase its flexibility & opacity

D. Increase its brightness

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Molecular weight of plastics ranges from

A. 5000 to 10000

B. 20000 to 250000

C. 500 to 5000

D. 106 to 109

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Accepted Answer

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

99.5% purity oxygen is used in

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Blue colour is imparted to glass by the addition of

In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst

Which of the following is an endothermic reaction?

Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process?

Epoxy resin

Bisphenol A is produced by the condensation of acetone with

Pick out the wrong statement.

Magnesium and calcium __________ cause temporary hardness of water.

Synthesis gas is a mixture of

Trinitrotoluene (TNT), an explosive, is made by the nitration of

In Kraft process of paper manufacture, white cooking liquor consists of caustic soda

The enzyme which converts starch into the disaccharides maltose is

Dichloro diphenyl __________ is the full form of DDT (an insecticide).

Starting raw material for the manufacture of Maleic anhydride is

Salt is added in the kettle during soap manufacture to separate

Poly Tetrafluoroethylene (P.T.F.E.) is known as

Which of the following is not a raw material used for the manufacture of ordinary glass?

Chloral is used in the manufacture of

The most stable allotropic form of phosphorous is the __________ phosphorous.

Neon gas is

Which of the following is the second major component of cement?

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

Ethanol amine is produced using ammonia and

Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it

99.5% purity oxygen is used in

Solvent used for extraction of oil is

Use of chlorine in the treatment of sewage

A good quality coal should have

Sizing material is incorporated in paper to

Molecular weight of plastics ranges from

Also checkout

99.5% purity oxygen is used in

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Blue colour is imparted to glass by the addition of

In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst

Which of the following is an endothermic reaction?

Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process?

Epoxy resin

Bisphenol A is produced by the condensation of acetone with

Pick out the wrong statement.

Magnesium and calcium __________ cause temporary hardness of water.

Synthesis gas is a mixture of

Trinitrotoluene (TNT), an explosive, is made by the nitration of

In Kraft process of paper manufacture, white cooking liquor consists of caustic soda

The enzyme which converts starch into the disaccharides maltose is

Dichloro diphenyl __________ is the full form of DDT (an insecticide).

Starting raw material for the manufacture of Maleic anhydride is

Salt is added in the kettle during soap manufacture to separate

Poly Tetrafluoroethylene (P.T.F.E.) is known as

Which of the following is not a raw material used for the manufacture of ordinary glass?

Chloral is used in the manufacture of

The most stable allotropic form of phosphorous is the __________ phosphorous.

Neon gas is

Which of the following is the second major component of cement?

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

Ethanol amine is produced using ammonia and

Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it

99.5% purity oxygen is used in

Solvent used for extraction of oil is

Use of chlorine in the treatment of sewage

A good quality coal should have

Sizing material is incorporated in paper to

Molecular weight of plastics ranges from

Also checkout

In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst