In the Lurgi coal gasifier

Question

In the Lurgi coal gasifier

A. Coking coals cannot be used

B. Low carbon conversion efficiency is achieved

C. Entrainment of solids is higher

D. Large quantity of coal can be processed

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Digestion of wood-base materials (for manufacture of pulp) is done to

A. Remove lignin

B. Produce long fibres

C. Prevent deterioration on storage

D. None of these

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The main product of high temperature carbonisation of coal is

A. Coke

B. Ammonia

C. Tar

D. Phenol

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Polycaprolactam is commercially known as

A. Nylon-6

B. Nylon-66

C. Dacron

D. Rayon

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In the manufacture of viscose rayon, the raw material used industrially is

A. Eucalyptus wood

B. Bamboo

C. Bagasse

D. Fine teak wood

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SO2 is bubbled through hot sugar cane juice to

A. Act as an acidifying agent

B. Increase its concentration

C. Increase the amount of molasses

D. Increase the crystal size

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What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell?

A. Cl₂ & Na

B. Cl₂ & H₂

C. O₂ & H₂

D. Cl₂, H₂ & NaOH solution

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Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.

A. -5 to 0

B. 5 to 10

C. 30 to 50

D. 75 to 80

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The difference between saponification value and acid value is

A. Called ester value

B. Always negative

C. Constant for all fatty oils

D. None of these

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Titanium dioxide is a/an __________ colour pigment.

A. White

B. Black

C. Yellow

D. Blue

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Ca(OH)₂ is called

A. Quicklime

B. Slaked lime

C. Limestone

D. Gypsum

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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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Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture.

A. CaO

B. MnO₂

C. ZnO

D. FeS

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Alcohol percentage in molasses may be around

A. 10

B. 40

C. 70

D. 85

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Pick out the wrong statement.

A. Eosin requirement in tallow soap is about 40-50% which fastens the lather formation, softens the hard soaps and increases its cleansing action

B. Soap powder is prepared by mixing soap with hydrated sodium carbonate

C. Detergents differ from soaps in their action in hard water

D. Tarnish inhibitor (e.g., Benzotriazole) is added in soap to facilitate the removal of stains due to tea, blood etc

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Function of thinner in a paint is to

A. Accelerate the oxidation of oil

B. Prevent gelling of the paint

C. Suspend pigments & dissolve film forming materials

D. Form a protective film

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Cellulose percentage in bamboo fibre is about

A. 10

B. 20

C. 50

D. 85

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Dense soda ash used in the manufacture of glass, is chemically represented by

A. Na₂CO₃

B. Na₂CO₃.10H₂O

C. Na₂CO₃.H₂O

D. Na₂HCO₃

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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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At a given temperature, the equilibrium yield of SO3 obtained from the oxidation of SO2 is proportional to (where, P = pressure of the system).

A. P

B. √P

C. P²

D. 1/P

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Zeolite is a/an

A. Naturally occuring clay which is capable of exchanging cations

B. Abrasive material

C. Catalyst used in shift conversion

D. None of these

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Which of the following is an ore of iron?

A. Galena

B. Chalcopyrite

C. Hematite

D. Bauxite

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Thermal pyrolysis of ethylene dichloride produces

A. Trichloroethylene

B. Vinyl chloride

C. Ethanol amine

D. Ethylene oxide

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Which oil is preferred for paint manufacture?

A. Drying oil

B. Non-drying oil

C. Semi-drying oil

D. Saturated oil

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Which of the following is not an insecticide?

A. Hydrocyanic acid

B. Nicotine

C. Sodium fluoride

D. Hexane

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Triple superphosphate is manufactured by reacting

A. Phosphate rock with phosphoric acid

B. Phosphate rock with sulphuric acid

C. Phosphate rock with nitric acid

D. Ammonium phosphate with phosphoric acid

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Which is the main reducing agent during production of iron from iron ore in a blast furnace?

A. C

B. CO

C. CO₂

D. H₂

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Pick out the wrong statement.

A. Dry process is used for the manufacture of cement, when the raw material is blast furnace slag

B. Portland cement is made employing wet process

C. Gypsum is added to Portland cement to lengthen its setting time

D. None of these

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Hydrogenation of edible vegetable oils

A. Is an exothermic reaction

B. Increases their melting point

C. Is done in presence of nickel catalyst

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

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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 commonly used substance to speed up the sedimentation of sewage is

A. Lime

B. Sulphuric acid

C. Chlorine

D. Sodium bisulphite

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Accepted Answer

D. Large quantity of coal can be processed

In the Lurgi coal gasifier

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Digestion of wood-base materials (for manufacture of pulp) is done to

The main product of high temperature carbonisation of coal is

Polycaprolactam is commercially known as

In the manufacture of viscose rayon, the raw material used industrially is

SO2 is bubbled through hot sugar cane juice to

What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell?

Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.

The difference between saponification value and acid value is

Titanium dioxide is a/an __________ colour pigment.

Ca(OH)₂ is called

Styrene is produced from ethyl benzene by the process of

Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture.

Alcohol percentage in molasses may be around

Pick out the wrong statement.

Function of thinner in a paint is to

Cellulose percentage in bamboo fibre is about

Dense soda ash used in the manufacture of glass, is chemically represented by

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

At a given temperature, the equilibrium yield of SO3 obtained from the oxidation of SO2 is proportional to (where, P = pressure of the system).

Zeolite is a/an

Which of the following is an ore of iron?

Thermal pyrolysis of ethylene dichloride produces

Which oil is preferred for paint manufacture?

Which of the following is not an insecticide?

Triple superphosphate is manufactured by reacting

Which is the main reducing agent during production of iron from iron ore in a blast furnace?

Pick out the wrong statement.

Hydrogenation of edible vegetable oils

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

The most commonly used substance to speed up the sedimentation of sewage is

Also checkout

In the Lurgi coal gasifier

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Digestion of wood-base materials (for manufacture of pulp) is done to

The main product of high temperature carbonisation of coal is

Polycaprolactam is commercially known as

In the manufacture of viscose rayon, the raw material used industrially is

SO2 is bubbled through hot sugar cane juice to

What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell?

Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.

The difference between saponification value and acid value is

Titanium dioxide is a/an __________ colour pigment.

Ca(OH)2 is called

Styrene is produced from ethyl benzene by the process of

Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture.

Alcohol percentage in molasses may be around

Pick out the wrong statement.

Function of thinner in a paint is to

Cellulose percentage in bamboo fibre is about

Dense soda ash used in the manufacture of glass, is chemically represented by

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

At a given temperature, the equilibrium yield of SO3 obtained from the oxidation of SO2 is proportional to (where, P = pressure of the system).

Zeolite is a/an

Which of the following is an ore of iron?

Thermal pyrolysis of ethylene dichloride produces

Which oil is preferred for paint manufacture?

Which of the following is not an insecticide?

Triple superphosphate is manufactured by reacting

Which is the main reducing agent during production of iron from iron ore in a blast furnace?

Pick out the wrong statement.

Hydrogenation of edible vegetable oils

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

The most commonly used substance to speed up the sedimentation of sewage is

Also checkout

Ca(OH)₂ is called

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