Setting of plaster of Paris is accompanied with

Question

Setting of plaster of Paris is accompanied with

A. Hydration

B. Dehydration

C. Hydrolysis

D. Loss of CO₂

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Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on

A. Slaked lime

B. Soda lime

C. Calcium perchlorate

D. None of these

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The major use of butadiene is

A. As a plasticiser for unsaturated polyester

B. In the manufacture of synthetic rubber

C. As an anti-skinning agent in paint

D. None of these

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__________ Nature of hypo (sodium thiosulphate) makes it useful in photography.

A. Oxidising

B. Reducing

C. Complex forming

D. Photochemical

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Production of alcohol by fermentation of molasses is a/an __________ process.

A. Anaerobic

B. Aerobic

C. Endothermic

D. Both (B) and (C)

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Saponification value/number of an oil or fat is a measure of its

A. Fatty acid content

B. Degree of unsaturation of the fatty acids present in it

C. Average molecular weight

D. Insoluble fatty acid content

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Catalytic oxidation of toluene produces

A. Styrene

B. Phenol

C. Benzene

D. Tri-nitro-toluene

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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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Haemoglobin is a/an

A. Amino acid

B. Biological catalyst

C. Protein

D. Enzyme

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CO & H₂ are the constituents of

A. Producer gas

B. Water gas

C. Coke oven gas

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

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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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Main product in calcium carbide-water reaction is

A. Ca(OH)₂

B. C₂H₂

C. CO₂

D. CaCO₃

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Neoprene is chemically known as

A. Polybutadiene

B. Styrene butadiene rubber (SBR)

C. Polyurethane

D. Polychlorophrene

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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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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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Chalcopyrite is the main ore of

A. Copper

B. Lead

C. Tin

D. Iron

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Sucrose content in the raw juice extracted from sugar cane is about __________ percent.

A. 1 - 2

B. 15 - 20

C. 50 - 60

D. 80 - 85

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Lithophane is

A. Explosive

B. White lead

C. Filter aid

D. ZnS (white pigment)

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High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to

A. Flocculate the impurities

B. Facilitate fast filtration

C. Both (A) and (B)

D. Neither (A) nor (B)

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Chemical formula of oleum is

A. H₂SO₃

B. H₂SO₄

C. H₂S₂O₇

D. H₂SO₇

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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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Pick out the wrong statement pertaining to solvent extraction of oil. Rate of extraction

A. Decreases with decrease of thickness of the flakes

B. Increases with the increasing flake size keeping the flake thickness constant

C. Increases considerably with the rise of temperature

D. Decreases as the moisture content of flakes increases

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Which of the following is not required in the manufacture of soda ash by Solvay process?

A. Ammonia

B. Limestone

C. Nitric acid

D. None of these

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Average sulphur content in Indian pyrites is about __________ percent.

A. 15

B. 35

C. 55

D. 70

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Most widely and commonly used coagulant for the removal of suspended impurities in water is

A. Bleaching powder

B. Slaked lime

C. Alum

D. Copper sulphate

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Nickel is not used as a catalyst in the

A. Fischer-Tropsch process

B. Shift conversion

C. Hydrogenation of oil

D. Ostwald's process of HNO3 manufacture

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Kaolin is a/an

A. Refractory material

B. Synthetic resin

C. Artificial abrasive

D. Blue pigment

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

A. Phenol

B. Naphthalene

C. Benzene

D. Pyridine

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In industrial nomenclature, alcohol means

A. Butyl alcohol

B. Propyl alcohol

C. Ethanol

D. Methyl alcohol

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Acrylonitrile is mainly used in the __________ industry.

A. Polymer

B. Printing

C. Dyeing

D. Photographic

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__________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.

A. Chlorine

B. Ammonium chloride

C. Sodium carbonate

D. Sodium bi-carbonate

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Accepted Answer

A. Hydration

Setting of plaster of Paris is accompanied with

Correct Answer :

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Related Questions

Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on

The major use of butadiene is

__________ Nature of hypo (sodium thiosulphate) makes it useful in photography.

Production of alcohol by fermentation of molasses is a/an __________ process.

Saponification value/number of an oil or fat is a measure of its

Catalytic oxidation of toluene produces

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

Haemoglobin is a/an

CO & H₂ are the constituents of

A good quality coal should have

Main product in calcium carbide-water reaction is

Neoprene is chemically known as

Concentration of hydrogen peroxide is done by

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

Chalcopyrite is the main ore of

Sucrose content in the raw juice extracted from sugar cane is about __________ percent.

Lithophane is

High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to

Chemical formula of oleum is

Styrene is produced from ethyl benzene by the process of

Pick out the wrong statement pertaining to solvent extraction of oil. Rate of extraction

Which of the following is not required in the manufacture of soda ash by Solvay process?

Average sulphur content in Indian pyrites is about __________ percent.

Most widely and commonly used coagulant for the removal of suspended impurities in water is

Nickel is not used as a catalyst in the

Kaolin is a/an

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

In industrial nomenclature, alcohol means

Acrylonitrile is mainly used in the __________ industry.

__________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.

Also checkout

Setting of plaster of Paris is accompanied with

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on

The major use of butadiene is

__________ Nature of hypo (sodium thiosulphate) makes it useful in photography.

Production of alcohol by fermentation of molasses is a/an __________ process.

Saponification value/number of an oil or fat is a measure of its

Catalytic oxidation of toluene produces

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

Haemoglobin is a/an

CO & H2 are the constituents of

A good quality coal should have

Main product in calcium carbide-water reaction is

Neoprene is chemically known as

Concentration of hydrogen peroxide is done by

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

Chalcopyrite is the main ore of

Sucrose content in the raw juice extracted from sugar cane is about __________ percent.

Lithophane is

High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to

Chemical formula of oleum is

Styrene is produced from ethyl benzene by the process of

Pick out the wrong statement pertaining to solvent extraction of oil. Rate of extraction

Which of the following is not required in the manufacture of soda ash by Solvay process?

Average sulphur content in Indian pyrites is about __________ percent.

Most widely and commonly used coagulant for the removal of suspended impurities in water is

Nickel is not used as a catalyst in the

Kaolin is a/an

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

In industrial nomenclature, alcohol means

Acrylonitrile is mainly used in the __________ industry.

__________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.

Also checkout

CO & H₂ are the constituents of