Contact process of sulphuric acid manufacture

Question

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C. Is obsolete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

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Main constituents of Portland cement are calcium aluminate and

A. Gypsum

B. Silicates

C. Sodium silicate

D. Carbonates

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Bromine is used in the preparation of

A. Fire extinguishing compounds

B. Fire proofing agents

C. Dyes and antiknock compounds

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

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Viscosity index improver (like polystyrene or polyisobutylene) is added to lubricant to

A. Reduce its viscosity

B. Increase its viscosity

C. Reduce the variation in its viscosity with temperature

D. Increase the variation in its viscosity with temperature

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During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as

A. It is very corrosive at elevated temperature

B. Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced)

C. It decomposes on further increasing the temperature

D. None of these

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Hard water

A. Does not affect the lather formation by soap

B. Is not unfit for drinking purpose

C. Pollutes the water stream

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

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Hydrocyanic acid (HCN) is used as an insecticide for

A. Controlling timber degradation by ants

B. Controlling poultry lice

C. Potato beetle

D. Citrus fruits

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The gasification reaction represented by, C + H₂O = CO + H₂, is a/an __________ reaction.

A. Exothermic

B. Endothermic

C. Catalytic

D. Autocatalytic

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Which of the following processes does not produce Cl2 as a co-product during the manufacture of caustic soda?

A. Diaphragm electrolytic cell process

B. Mercury electrolytic cell process

C. Lime-soda process

D. None of these

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Nitrile rubber is produced by the polymerisation of

A. Acrylonitrile and butadiene

B. Acrylonitrile and styrene

C. Isobutylene and isoprene

D. None of these

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Fish contains about __________ percent oil.

A. 5

B. 10

C. 20

D. 35

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Titanium dioxide is a/an __________ colour pigment.

A. White

B. Black

C. Yellow

D. Blue

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Electro deposition of metals i.e. electroplating is never done on

A. Metals

B. Alloys

C. Refractories

D. Non-metals

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Which allotrope of sulphur is insoluble in carbon disulphide?

A. Rhombic sulphur

B. Monoclinic sulphur

C. Plastic sulphur

D. Milk of sulphur

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In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the

A. Diamine and the ring

B. Dibasic acid and the ring

C. Diamine and the dibasic acid

D. None of these

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Which of the following is used as a coagulant in water treatment?

A. Chloramine

B. Chlorine

C. Ferrous sulphate

D. Hydrogen peroxide

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CaSO4 . ½H₂O is known as

A. Blue vitriol

B. Plaster of Paris

C. Gypsum

D. Zeolite

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Conversion of CO to CO2 by steam in presence of a catalyst is called

A. Steam reforming

B. Shift conversion

C. Steam gasification

D. None of these

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Concentration of hydrogen peroxide is done by

A. Crystallisation

B. Vacuum crystallisation

C. Atmospheric distillation

D. Dehydration

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Which is the most efficient absorbent for SO₃ out of the following?

A. 20% oleum

B. 65% oleum

C. 78% H₂SO₄

D. 98% H₂SO₄

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__________ acid is the main constituent of cotton seed oil.

A. Acetic

B. Linoleic

C. Palmitic

D. Oleic

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Dacron is a

A. Condensation product of Hexamethylene diamine and adipic acid

B. Thermosetting material

C. Condensation product of dimethyl terephthalate and ethylene glycol

D. None of these

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Conversion of SO2 to SO3 in Monsanto 4-pass converter is about __________ percent.

A. 80

B. 90

C. 98

D. 100

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The catalyst used in the production of elemental sulphur from H₂S (by oxidation-reduction) is

A. Alumina

B. Silica gel

C. Platinum

D. Nickel

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Salt cake is chemically represented by

A. Na₂SO₄

B. CaSO₄. ½H₂O

C. MgSO₄

D. BaSO₄

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The purpose of adding Na₂CO₃ to water of low alkalinity is to

A. Permit the use of alum as a coagulant

B. Increase the softening capacity of zeolite

C. Facilitate easy regeneration of zeolite

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

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Main constituent of limestone is

A. CaCO₃

B. MgCO₃

C. Na₂CO₃

D. CaSO₄

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Transparent soaps (e.g. Pears) are

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

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

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

D. None of these

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The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by

A. Electrolysis

B. Electrolytic reduction

C. Electrolytic oxidation

D. None of these

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Dechlorination of treated water is necessary to

A. Remove residual turbidity

B. Reduce the bacterial load on filter

C. Control taste and odour

D. Remove chlorinous taste

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Zeolite used in water softening process (cation exchange) is regenerated by washing with

A. Brine

B. Chloramines

C. Sodium bisulphite

D. Liquid chlorines

Discuss this answer

Accepted Answer

A. Yields acid of higher concentration than chamber process

Contact process of sulphuric acid manufacture

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Main constituents of Portland cement are calcium aluminate and

Bromine is used in the preparation of

Viscosity index improver (like polystyrene or polyisobutylene) is added to lubricant to

During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as

Hard water

Hydrocyanic acid (HCN) is used as an insecticide for

The gasification reaction represented by, C + H₂O = CO + H₂, is a/an __________ reaction.

Which of the following processes does not produce Cl2 as a co-product during the manufacture of caustic soda?

Nitrile rubber is produced by the polymerisation of

Fish contains about __________ percent oil.

Titanium dioxide is a/an __________ colour pigment.

Electro deposition of metals i.e. electroplating is never done on

Which allotrope of sulphur is insoluble in carbon disulphide?

In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the

Which of the following is used as a coagulant in water treatment?

CaSO4 . ½H₂O is known as

Conversion of CO to CO2 by steam in presence of a catalyst is called

Concentration of hydrogen peroxide is done by

Which is the most efficient absorbent for SO₃ out of the following?

__________ acid is the main constituent of cotton seed oil.

Dacron is a

Conversion of SO2 to SO3 in Monsanto 4-pass converter is about __________ percent.

The catalyst used in the production of elemental sulphur from H₂S (by oxidation-reduction) is

Salt cake is chemically represented by

The purpose of adding Na₂CO₃ to water of low alkalinity is to

Main constituent of limestone is

Transparent soaps (e.g. Pears) are

The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by

Dechlorination of treated water is necessary to

Zeolite used in water softening process (cation exchange) is regenerated by washing with

Also checkout

Contact process of sulphuric acid manufacture

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Main constituents of Portland cement are calcium aluminate and

Bromine is used in the preparation of

Viscosity index improver (like polystyrene or polyisobutylene) is added to lubricant to

During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as

Hard water

Hydrocyanic acid (HCN) is used as an insecticide for

The gasification reaction represented by, C + H2O = CO + H2, is a/an __________ reaction.

Which of the following processes does not produce Cl2 as a co-product during the manufacture of caustic soda?

Nitrile rubber is produced by the polymerisation of

Fish contains about __________ percent oil.

Titanium dioxide is a/an __________ colour pigment.

Electro deposition of metals i.e. electroplating is never done on

Which allotrope of sulphur is insoluble in carbon disulphide?

In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the

Which of the following is used as a coagulant in water treatment?

CaSO4 . ½H2O is known as

Conversion of CO to CO2 by steam in presence of a catalyst is called

Concentration of hydrogen peroxide is done by

Which is the most efficient absorbent for SO3 out of the following?

__________ acid is the main constituent of cotton seed oil.

Dacron is a

Conversion of SO2 to SO3 in Monsanto 4-pass converter is about __________ percent.

The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is

Salt cake is chemically represented by

The purpose of adding Na2CO3 to water of low alkalinity is to

Main constituent of limestone is

Transparent soaps (e.g. Pears) are

The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by

Dechlorination of treated water is necessary to

Zeolite used in water softening process (cation exchange) is regenerated by washing with

Also checkout

The gasification reaction represented by, C + H₂O = CO + H₂, is a/an __________ reaction.

CaSO4 . ½H₂O is known as

Which is the most efficient absorbent for SO₃ out of the following?

The catalyst used in the production of elemental sulphur from H₂S (by oxidation-reduction) is

The purpose of adding Na₂CO₃ to water of low alkalinity is to