The catalyst used in the manufacture of DDT is

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The catalyst used in the manufacture of DDT is

A. Alumina

B. Silica

C. 20% oleum

D. Aluminium chloride

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Catalyst used in the oxidation of benzene to produce Maleic anhydride is

A. V₂O₅

B. Pt

C. Ni

D. Cr

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Coke oven gas consists mainly of

A. H₂, & CH₄

B. CO, & CO₂

C. H₂, & CO

D. CH₄, & CO

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__________ are added in lacquers to remove film brittleness and to improve adhereness.

A. Film forming materials

B. Plasticisers

C. Diluents

D. Solvents

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The enzyme which converts starch into the disaccharides maltose is

A. Diastase

B. Maltase

C. Yeast

D. None of these

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Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo?

A. Depithing

B. Digestion

C. Bleaching

D. None of these

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Transparent soaps (e.g. Pears) are

A. Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and finally washed with methylated spirit to achieve transparency

B. Metallic soaps with frothing agent and free Stearic acid to achieve transparency

C. Metallic soaps with frothing agent from which glycerine has not been recovered

D. None of these

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Which of the following is an yellow pigment?

A. Titanium dioxide

B. Ferrous sulphate

C. Lead chromates

D. Zinc sulphides

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10% oleum comprises of 10% free

A. SO₂

B. H₂SO₃

C. SO₃

D. H₂SO₄

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Cement setting under water employs a/an __________ process.

A. Hydration

B. Decomposition

C. Oxidation

D. Reduction

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__________ process is used for the manufacture of sodium carbonate by ammonia soda process.

A. Ostwald's

B. Bosch

C. Solvay

D. Haber's

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CaSO4 . ½H₂O is known as

A. Blue vitriol

B. Plaster of Paris

C. Gypsum

D. Zeolite

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Reaction of an alcohol with organic acid is called the __________ reaction.

A. Saponification

B. Esterification

C. Neutralisation

D. Acidification

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Stereospecific agents are exemplified by

A. Radiation

B. Supported metal oxide catalysts

C. Ziegler catalysts

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

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Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at

A. 1 atm & 100°C

B. 5 atm & 275°C

C. 100 atm & 500°C

D. 50 atm & 1000°C

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Blue vitriol is chemically

A. Copper sulphate

B. Ferrous sulphate

C. Copper nitrate

D. Aluminium sulphate

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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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Reaction of calcium carbide with water produces a gas, which is used

A. As an illuminant

B. For metal cutting/welding

C. Both (A) & (B)

D. Neither (A) nor (B)

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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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Carborundum consists mainly of

A. Bauxite

B. Silicon carbide

C. Boron carbide

D. Calcium carbide

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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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Impurities present in brine is normally removed by treatment with

A. NH₃ and CO₂

B. Lime and soda ash

C. Lime, ammonia and carbon

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

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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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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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The noble gas which occurs most abundantly in the atmosphere is

A. Helium

B. Neon

C. Krypton

D. Argon

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Hydrogenation of oil takes place in a/an __________ reactor.

A. Autothermal

B. Trickle bed

C. Plug flow

D. None of these

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Use of water having dissolved oxygen in boilers promotes

A. Corrosion

B. Sequestration

C. Scale formation

D. None of these

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Mannheim furnace is used in the manufacture of

A. Hydrochloric acid

B. H₂SO₄ by Chamber process

C. Calcium carbide

D. Corundum

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Oil is a/an

A. Mixture of glycerides

B. Mixture of glycerides of fatty acids

C. Solid at normal temperature

D. Ester of alcohols other than glycerine

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Kopper-Totzek coal gasifier

A. Can give ammonia synthesis gas (H2 + N2)

B. Is a moving bed reactor

C. Cannot use coking coal

D. Operate at very high pressure

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Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is

A. A slow reaction

B. A discontinuous reaction (requiring regeneration of iron by water gas intermittently)

C. Still in development stage (by employing fluidised bed technique)

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

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Accepted Answer

C. 20% oleum

The catalyst used in the manufacture of DDT is

Correct Answer :

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Related Questions

Catalyst used in the oxidation of benzene to produce Maleic anhydride is

Coke oven gas consists mainly of

__________ are added in lacquers to remove film brittleness and to improve adhereness.

The enzyme which converts starch into the disaccharides maltose is

Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo?

Transparent soaps (e.g. Pears) are

Which of the following is an yellow pigment?

10% oleum comprises of 10% free

Cement setting under water employs a/an __________ process.

__________ process is used for the manufacture of sodium carbonate by ammonia soda process.

CaSO4 . ½H₂O is known as

Reaction of an alcohol with organic acid is called the __________ reaction.

Stereospecific agents are exemplified by

Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at

Blue vitriol is chemically

Wet chlorine gas produced during electrolysis of brine is dehydrated by

Reaction of calcium carbide with water produces a gas, which is used

A good quality coal should have

Carborundum consists mainly of

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

Impurities present in brine is normally removed by treatment with

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

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

The noble gas which occurs most abundantly in the atmosphere is

Hydrogenation of oil takes place in a/an __________ reactor.

Use of water having dissolved oxygen in boilers promotes

Mannheim furnace is used in the manufacture of

Oil is a/an

Kopper-Totzek coal gasifier

Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is

Also checkout

The catalyst used in the manufacture of DDT is

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Catalyst used in the oxidation of benzene to produce Maleic anhydride is

Coke oven gas consists mainly of

__________ are added in lacquers to remove film brittleness and to improve adhereness.

The enzyme which converts starch into the disaccharides maltose is

Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo?

Transparent soaps (e.g. Pears) are

Which of the following is an yellow pigment?

10% oleum comprises of 10% free

Cement setting under water employs a/an __________ process.

__________ process is used for the manufacture of sodium carbonate by ammonia soda process.

CaSO4 . ½H2O is known as

Reaction of an alcohol with organic acid is called the __________ reaction.

Stereospecific agents are exemplified by

Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at

Blue vitriol is chemically

Wet chlorine gas produced during electrolysis of brine is dehydrated by

Reaction of calcium carbide with water produces a gas, which is used

A good quality coal should have

Carborundum consists mainly of

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

Impurities present in brine is normally removed by treatment with

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

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

The noble gas which occurs most abundantly in the atmosphere is

Hydrogenation of oil takes place in a/an __________ reactor.

Use of water having dissolved oxygen in boilers promotes

Mannheim furnace is used in the manufacture of

Oil is a/an

Kopper-Totzek coal gasifier

Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H2O = Fe3O4 + 4H2, is not practised, as it is

Also checkout

CaSO4 . ½H₂O is known as

Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is