Chrome tanning and vegetable tanning are done for

Question

Chrome tanning and vegetable tanning are done for

A. Light & heavy leather respectively

B. Heavy & light leather respectively

C. Both light & heavy leather

D. Neither light nor heavy leather

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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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The function of gypsum addition during cement making is to

A. Increase the density of cement

B. Decrease the cement setting rate

C. Both (A) and (B)

D. Neither (A) nor (B)

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__________ of quicklime produces slaked lime.

A. Hydration

B. Dehydration

C. Hydrogenation

D. None of these

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Sugar content in sugarcane on cane basis is about __________ percent by weight.

A. 1 to 5

B. 5 to 10

C. 15 to 20

D. 20 to 30

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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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Yellow phosphorus is transported under

A. Air

B. Water

C. Nitrogen

D. Helium

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Use of hydrated lime in water treatment

A. Before filtration, reduces the bacterial load on filters

B. After filtration, combats the corrosiveness of water due to the presence of O₂ & CO₂

C. Is to adjust the pH value

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

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Zeolite is used in the

A. Water treatment

B. Glass manufacture

C. Hydrogenation of fatty oil as a catalyst

D. Development of exposed photographic plate

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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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Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because

A. Its calorific value is very less

B. Tar neutralises the residual acids present in pitch

C. It reduces viscosity and imparts fluidity for its transportation through pipelines at economic pressure drop

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

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How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?

A. 500°C

B. 750°C

C. 1000°C

D. 1500°C

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Sucrose is a

A. Monosaccharide

B. Disaccharide

C. Polysaccharide

D. None of these

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The only commercial Fischer-Tropsch plant for producing liquid hydrocarbon fuel from coal is located at

A. SASOL (in South Africa)

B. Redcar (U.K.)

C. Los Angeles (U.S.A.)

D. Trombay (India)

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Plasticisers are added to synthetic plastics to

A. Impart flexibility

B. Improve workability during fabrication

C. Develop new improved properties not present in the original resins

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

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Phenol formaldehyde

A. Employs addition polymerisation

B. Employs condensation polymerisation

C. Is a monomer

D. Is an abrasive material

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Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

A. Xanthates

B. Stearic acid

C. Calcium & aluminium stearate

D. Formic acid

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Wet chlorine gas produced during electrolysis of brine is dehydrated by

A. Spraying 66° Be H2SO4 counter current to the flow of the gas

B. Passing it through a bed of diatomaceous earth

C. Passing it through a bed of silica gel

D. None of these

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Esterification reaction

A. Produces soap

B. Is reversible

C. Is a reaction between an alcohol and an organic acid

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

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Sea weeds are an important source of

A. Fluorine

B. Chlorine

C. Bromine

D. Iodine

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Consider the production of ammonia from methene and air as raw materials. The catalysts used are:
(i) for steam reforming of methane and
(ii) for ammonia synthesis.

A. (i) - Ni/Al₂O₃; (ii) - Cu - ZnO/Al₂O₃

B. (i) - Fe/Al₂O₃; (ii) - Cu - ZnO/Al₂O₃

C. (i) - Ni/Al₂O₃; (ii) - Fe/Al₂O₃

D. (i) - Fe/Al₂O₃; (ii) - Ni/Al₂O₃

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Haemoglobin is a/an

A. Amino acid

B. Biological catalyst

C. Protein

D. Enzyme

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For the hydrogenation of oils, (i) is commonly used as catalyst and (ii) is a catalyst poison.

A. (i) platinum (ii) sulphur

B. (i) palladium (ii) oxygen

C. (i) nickel (ii) sulphur

D. (i) nickel (ii) oxygen

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Chemical formula of oleum is

A. H₂SO₃

B. H₂SO₄

C. H₂S₂O₇

D. H₂SO₇

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Carbon content of pitch (residue of coal tar distillation) is around __________ percent.

A. 70

B. 55

C. 80

D. 94

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Dacron (or Terylene) fibres as compared to nylon fibres have

A. Better heat & acid resistant properties

B. Poorer resistance to alkalis

C. Poorer dyeability

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

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The type of high refractive index glass used in optical instruments is __________ glass.

A. Pyrex

B. Flint

C. Crookes

D. None of these

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__________ is an ore of lead.

A. Quartz

B. Galena

C. Siderite

D. Chalcopyrite

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Nylon-66 is so named because the

A. Average degree of polymerisation of the polymer is 1966

B. Number of carbon atoms between two nitrogen atoms are 6

C. Number of nitrogen atoms between two carbon atoms are 6

D. Polymer was first synthesised in 1966

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Polycaprolactam is commercially known as

A. Nylon-6

B. Nylon-66

C. Dacron

D. Rayon

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Solvent used for extraction of oil is

A. Hexane

B. Methyl ethyl ketone

C. Furfural

D. None of these

Discuss this answer

Accepted Answer

A. Light & heavy leather respectively

Chrome tanning and vegetable tanning are done for

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Styrene is produced from ethyl benzene by the process of

The function of gypsum addition during cement making is to

__________ of quicklime produces slaked lime.

Sugar content in sugarcane on cane basis is about __________ percent by weight.

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

Yellow phosphorus is transported under

Use of hydrated lime in water treatment

Zeolite is used in the

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

Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because

How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?

Sucrose is a

The only commercial Fischer-Tropsch plant for producing liquid hydrocarbon fuel from coal is located at

Plasticisers are added to synthetic plastics to

Phenol formaldehyde

Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

Wet chlorine gas produced during electrolysis of brine is dehydrated by

Esterification reaction

Sea weeds are an important source of

Consider the production of ammonia from methene and air as raw materials. The catalysts used are:
(i) for steam reforming of methane and
(ii) for ammonia synthesis.

Haemoglobin is a/an

For the hydrogenation of oils, (i) is commonly used as catalyst and (ii) is a catalyst poison.

Chemical formula of oleum is

Carbon content of pitch (residue of coal tar distillation) is around __________ percent.

Dacron (or Terylene) fibres as compared to nylon fibres have

The type of high refractive index glass used in optical instruments is __________ glass.

__________ is an ore of lead.

Nylon-66 is so named because the

Polycaprolactam is commercially known as

Solvent used for extraction of oil is

Also checkout

Chrome tanning and vegetable tanning are done for

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Styrene is produced from ethyl benzene by the process of

The function of gypsum addition during cement making is to

__________ of quicklime produces slaked lime.

Sugar content in sugarcane on cane basis is about __________ percent by weight.

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

Yellow phosphorus is transported under

Use of hydrated lime in water treatment

Zeolite is used in the

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

Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because

How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?

Sucrose is a

The only commercial Fischer-Tropsch plant for producing liquid hydrocarbon fuel from coal is located at

Plasticisers are added to synthetic plastics to

Phenol formaldehyde

Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

Wet chlorine gas produced during electrolysis of brine is dehydrated by

Esterification reaction

Sea weeds are an important source of

Consider the production of ammonia from methene and air as raw materials. The catalysts used are:(i) __________ for steam reforming of methane and(ii) __________ for ammonia synthesis.

Haemoglobin is a/an

For the hydrogenation of oils, __________ (i) __________ is commonly used as catalyst and __________ (ii) __________ is a catalyst poison.

Chemical formula of oleum is

Carbon content of pitch (residue of coal tar distillation) is around __________ percent.

Dacron (or Terylene) fibres as compared to nylon fibres have

The type of high refractive index glass used in optical instruments is __________ glass.

__________ is an ore of lead.

Nylon-66 is so named because the

Polycaprolactam is commercially known as

Solvent used for extraction of oil is

Also checkout

Consider the production of ammonia from methene and air as raw materials. The catalysts used are:
(i) for steam reforming of methane and
(ii) for ammonia synthesis.

For the hydrogenation of oils, (i) is commonly used as catalyst and (ii) is a catalyst poison.