A good quality coal should have

Question

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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Coal tar is used as a

A. Binding material for coal briquettes

B. Fuel in rotary kiln

C. Binder in making carbon electrodes

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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Starting raw material for the manufacture of alum is

A. Alumina

B. Gypsum

C. Bauxite

D. Ammonium bicarbonate

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Adipic acid is an intermediate in the manufacture of

A. Perspex

B. Nylon-66

C. Polystyrene

D. Bakelite

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Common salt is generally not produced commonly by __________ method from brine.

A. Freeze drying

B. Electrolytic

C. Solar evaporation

D. Vacuum evaporation

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Sulphuric acid saturated with SO₃ is called

A. Concentrated H₂SO₄

B. Sulphurous acid

C. Oleum

D. None of these

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Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively

A. V₂O₅ & Cr₂O₃.

B. Oxides of nitrogen & Cr₂O₃

C. V₂O₅ on a porous carrier & oxides of nitrogen

D. Oxides of nitrogen & V₂O₅ on a porous carrier

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Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the

A. Fertiliser manufacture

B. Car battery solution

C. Synthesis of oleum

D. Water treatment

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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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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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Pick out the wrong statement pertaining to the soap manufacture.

A. Transparent soaps are made by cold process

B. Organic pigments are used as colouring materials in the soap manufacture

C. Both laundry as well as toilet soaps are manufactured by hot process

D. Colourless rosin is used in the manufacture of laundry soaps

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Neoprene is the trade name of

A. Polyurethane

B. Phenol formaldehyde

C. Polychlorophrene

D. Styrene-butadiene rubber

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Glycerine can be obtained from

A. Fat

B. Naphthalene

C. Cumene

D. Sucrose

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Glycerine is not used in the

A. Manufacture of explosive

B. Conditioning and humidification of tobacco

C. Manufacture of pharmaceuticals

D. None of these

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Na₂CO₃.10H₂O is called

A. Washing soda

B. Soda ash

C. Slaked lime

D. Quicklime

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Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled explosive called dynamite. The raw material used for its manufacture are glycerine, nitric acid and

A. Sulphuric acid

B. Phosphoric acid

C. Hydrochloric acid

D. Hydrofluoric acid

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Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have

A. High electrical insulation properties

B. Sharp melting points

C. Low co-efficient of thermal expansion

D. Compressive strength much greater than their tensile strengths

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Coke used for the production of calcium carbide should have

A. Low ash content

B. Low ignition temperature

C. High electrical resistivity

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

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The noble gas which occurs most abundantly in the atmosphere is

A. Helium

B. Neon

C. Krypton

D. Argon

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Brackish water which contains mostly dissolved salt, can be purified by the __________ process.

A. Reverse osmosis

B. Sand filter

C. Lime soda

D. Permutit

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Finely ground calcium aluminate & silicate is a/an

A. Cermet

B. Cement

C. Abrasive

D. Explosive

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__________ is produced using molasses as the starting raw material.

A. Methyl alcohol

B. Ethyl alcohol

C. Benzol

D. Dimethyl ether

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Which of the following is not a food additive?

A. Citric acid

B. Invertage

C. Benzoyl peroxide

D. Ammonium chloride

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Bakelite is

A. Same as Polytetrafluoroethylene (PTFE)

B. An inorganic polymer

C. Same as thermosetting phenol-formaldehyde

D. Not a polymer

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Cooking liquor in case of sulphite process is

A. Sodium sulphite and sodium bisulphite

B. Magnesium sulphite and free SO2 in acid medium

C. Magnesium sulphate and magnesium bicarbonate

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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Chemical name of 'alum' is

A. Barium sulphate

B. Aluminium sulphate

C. Aluminium chloride

D. Calcium sulphate

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Blue vitriol is chemically

A. Copper sulphate

B. Ferrous sulphate

C. Copper nitrate

D. Aluminium sulphate

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DDT should not be allowed to come in contact with iron (during its manufacture) to

A. Avoid its decomposition

B. Prevent sulphonation of the monochlorobenzene by the acid catalyst

C. Achieve non-hygroscopic property

D. None of these

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Silicon carbide is a/an

A. Adhesive

B. Abrasive

C. Type of glass

D. Brittle material

Discuss this answer

Accepted Answer

D. None of these

A good quality coal should have

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Coal tar is used as a

Sea weeds are an important source of

Starting raw material for the manufacture of alum is

Adipic acid is an intermediate in the manufacture of

Common salt is generally not produced commonly by __________ method from brine.

Sulphuric acid saturated with SO₃ is called

Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively

Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the

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

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

Pick out the wrong statement pertaining to the soap manufacture.

Neoprene is the trade name of

Glycerine can be obtained from

Glycerine is not used in the

Na₂CO₃.10H₂O is called

Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled explosive called dynamite. The raw material used for its manufacture are glycerine, nitric acid and

Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have

Coke used for the production of calcium carbide should have

The noble gas which occurs most abundantly in the atmosphere is

Brackish water which contains mostly dissolved salt, can be purified by the __________ process.

Finely ground calcium aluminate & silicate is a/an

__________ is produced using molasses as the starting raw material.

Which of the following is not a food additive?

Bakelite is

Cooking liquor in case of sulphite process is

Esterification reaction

Chemical name of 'alum' is

Blue vitriol is chemically

DDT should not be allowed to come in contact with iron (during its manufacture) to

Silicon carbide is a/an

Also checkout

A good quality coal should have

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Coal tar is used as a

Sea weeds are an important source of

Starting raw material for the manufacture of alum is

Adipic acid is an intermediate in the manufacture of

Common salt is generally not produced commonly by __________ method from brine.

Sulphuric acid saturated with SO3 is called

Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively

Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the

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

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

Pick out the wrong statement pertaining to the soap manufacture.

Neoprene is the trade name of

Glycerine can be obtained from

Glycerine is not used in the

Na2CO3.10H2O is called

Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled explosive called dynamite. The raw material used for its manufacture are glycerine, nitric acid and

Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have

Coke used for the production of calcium carbide should have

The noble gas which occurs most abundantly in the atmosphere is

Brackish water which contains mostly dissolved salt, can be purified by the __________ process.

Finely ground calcium aluminate & silicate is a/an

__________ is produced using molasses as the starting raw material.

Which of the following is not a food additive?

Bakelite is

Cooking liquor in case of sulphite process is

Esterification reaction

Chemical name of 'alum' is

Blue vitriol is chemically

DDT should not be allowed to come in contact with iron (during its manufacture) to

Silicon carbide is a/an

Also checkout

Sulphuric acid saturated with SO₃ is called

Na₂CO₃.10H₂O is called