In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed:

Question

In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed:

A. Furnace → converter → absorber

B. Furnace → evaporator → absorber

C. Furnace → converter → evaporator

D. Converter → furnace → absorber

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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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Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about

A. 0.1 to 0.5

B. 1 to 5

C. 5 to 10

D. 15 to 25

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Na2CO3 is called

A. Washing soda

B. Soda ash

C. Plaster of Paris

D. Calcite

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High acid value of an oil or fat is an indication of

A. Storage under improper conditions

B. Absence of unsaturation

C. Its smaller molecular weight

D. None of these

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Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used

A. As a lubricant

B. As a rust preventive

C. In hard water for cleaning of cloth

D. As a foam depressant in distillation column

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Wax is a

A. Mixture of glycerides

B. Mixture of esters of polyhydric alcohols excepting glycerine

C. Liquid at room temperature

D. Mixture of glycerides of fatty acids

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Alum is commercially produced from

A. Gypsum

B. Feldspar

C. Galena

D. Bauxite

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10% oleum comprises of 10% free

A. SO₂

B. H₂SO₃

C. SO₃

D. H₂SO₄

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Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of

A. Nitric acid

B. Sulphuric acid

C. Ammonium sulphate

D. Hydrochloric acid

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The product obtained on mixing calcium oxide with water is called

A. Quicklime

B. Slaked lime

C. Milk of lime

D. None of these

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Which of the following is an explosive?

A. Nitro-glycerine

B. Trinitrotoluene (TNT)

C. Cellulose nitrate

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

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Laboratory glass wares which reacts with hydrofluoric acid, are made of the __________ glass.

A. Lead

B. Borosilicate

C. Soda lime

D. Alkali silicate

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Baking soda is chemically represented by

A. Na₂CO₃

B. NaHCO₃

C. Na₂CO₃.H₂O

D. Na₂CO₃.10H₂O

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Pick out the wrong statement.

A. Strongly caking coal should not be used in the Lurgi gasifier

B. Acetylene gas cannot be used for illumination purpose

C. Water gas is called blue gas because of the color of the flame, when it is burnt

D. Gaseous fuels require less percentage of excess air for combustion as compared to liquid fuels

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Roasting of metallurgical ores is done mainly to

A. Dehydrate it

B. Sinter the ore

C. Remove CO₂ & H₂O

D. Remove arsenic & sulphur

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Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by

A. Iron-steam reaction

B. Electrolysis of water

C. Steam reforming of naphtha

D. Its cryogenic separation from coke oven gas

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Bio-degradable detergents

A. Can be readily oxidised

B. Pose problem in sewerage plant

C. Have an isoparaffinic structure

D. Should not be used as it spoils the cloth

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Salt is the basic raw material for the manufacture of

A. Cement

B. Glass

C. Potteries

D. Caustic soda

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The most reactive allotropic form of phosphorus is __________ phosphorus.

A. Red

B. Yellow

C. Violet

D. Black

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Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.

A. Cutting

B. Fibrillation

C. Hydration

D. Strengthening

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Which of the following processes is absent in glass manufacturing process?

A. Sintering

B. Annealing

C. Shaping or forming

D. Melting

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Main use of hydrazine is

A. As a rocket fuel

B. In water treatment

C. As a disinfectant

D. As fire retardant

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Styrene is produced from ethyl benzene by the process of

A. Dehydrogenation

B. Oxidation

C. Alkylation

D. Dehydration

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'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of

A. N₂ & H₂

B. CO₂ & H₂

C. CO & H₂

D. C & H₂

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The biochemical treatment applied to sewage effluents is a process of

A. Dehydration

B. Reduction

C. Oxidation

D. Polymerisation

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Which of the following is an organometallic compound?

A. Isopropyl alcohol

B. Tetra-ethyl lead

C. Zeolite

D. Cumene

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The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to

A. Avoid mechanical weakening of fibre

B. Remove lignin by way of crystallisation

C. Increase the cellulose content

D. None of these

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Phthalic anhydride is produced by the oxidation of

A. Naphthalene

B. Benzene

C. Toluene

D. Aniline

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Litharge is

A. Lead oxide

B. Zinc oxide

C. Zinc sulphide

D. Cellulosic photographic material

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Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.

A. 10

B. 50

C. 80

D. 95

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Accepted Answer

A. Furnace → converter → absorber

In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed:

Correct Answer :

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Related Questions

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

Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about

Na2CO3 is called

High acid value of an oil or fat is an indication of

Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used

Wax is a

Alum is commercially produced from

10% oleum comprises of 10% free

Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of

The product obtained on mixing calcium oxide with water is called

Which of the following is an explosive?

Laboratory glass wares which reacts with hydrofluoric acid, are made of the __________ glass.

Baking soda is chemically represented by

Pick out the wrong statement.

Roasting of metallurgical ores is done mainly to

Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by

Bio-degradable detergents

Salt is the basic raw material for the manufacture of

The most reactive allotropic form of phosphorus is __________ phosphorus.

Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.

Which of the following processes is absent in glass manufacturing process?

Main use of hydrazine is

Styrene is produced from ethyl benzene by the process of

'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of

The biochemical treatment applied to sewage effluents is a process of

Which of the following is an organometallic compound?

The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to

Phthalic anhydride is produced by the oxidation of

Litharge is

Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.

Also checkout

In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed:

Correct Answer :

Show all Chemical Process MCQ

Related Questions

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

Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about

Na2CO3 is called

High acid value of an oil or fat is an indication of

Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used

Wax is a

Alum is commercially produced from

10% oleum comprises of 10% free

Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of

The product obtained on mixing calcium oxide with water is called

Which of the following is an explosive?

Laboratory glass wares which reacts with hydrofluoric acid, are made of the __________ glass.

Baking soda is chemically represented by

Pick out the wrong statement.

Roasting of metallurgical ores is done mainly to

Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by

Bio-degradable detergents

Salt is the basic raw material for the manufacture of

The most reactive allotropic form of phosphorus is __________ phosphorus.

Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.

Which of the following processes is absent in glass manufacturing process?

Main use of hydrazine is

Styrene is produced from ethyl benzene by the process of

'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of

The biochemical treatment applied to sewage effluents is a process of

Which of the following is an organometallic compound?

The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to

Phthalic anhydride is produced by the oxidation of

Litharge is

Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.

Also checkout

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