Ore concentration by froth floatation utilises the __________ of ore particles.

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Ore concentration by froth floatation utilises the __________ of ore particles.

A. Density difference

B. Wetting characteristics

C. Terminal velocities

D. None of these

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Linde process of gas liquefaction employs

A. Exchange of heat with colder stream

B. Adiabatic expansion through a throttle valve (Joule-Thomson expansion)

C. Adiabatic expansion against a piston or in a turbine

D. Merely compressing the gas beyond its critical pressure

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Which is the most suitable dye for synthetic fibres?

A. Acid dye

B. Azoic dye

C. Pigment dye

D. Mordant dye

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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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Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C.

A. -53

B. -103

C. -183

D. -196

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Reverse osmosis is normally used for the

A. Separation of isotopes of uranium from gaseous uranium hexafluoride

B. Separation of helium from natural gas

C. Desalination of brackish water to produce potable (drinking) water

D. Purification of oxygen

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Penicillin, an antibiotic drug was discovered by

A. Alexander

B. Flaming

C. Doctor Zhivago

D. None of these

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Which of the following fuel gases contains maximum amount of carbon monoxide?

A. Coke oven gas

B. Water gas

C. Blast furnace gas

D. L.D. converter gas

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Conversion of SO2 to SO3 in Monsanto 4-pass converter is about __________ percent.

A. 80

B. 90

C. 98

D. 100

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Phthalic anhydride is made by the

A. Oxidation of naphthalene

B. Oxidation of benzene

C. Dehydrogenation of ethyl benzene

D. None of these

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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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Ca(OH)₂ is called

A. Quicklime

B. Slaked lime

C. Limestone

D. Gypsum

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__________ acid is an unsaturated fatty acid.

A. Palmitic

B. Oleic

C. Stearic

D. Oxalic

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Pure rectified spirit contains about __________ percent alcohol.

A. 45

B. 70

C. 95

D. 99.5

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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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Which of the following processes does not produce Cl2 as a co-product during the manufacture of caustic soda?

A. Diaphragm electrolytic cell process

B. Mercury electrolytic cell process

C. Lime-soda process

D. None of these

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Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of

A. Trichloroethylene

B. Perchloroethylene

C. Parathion

D. Methanol

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Concentration of sulphide ores is done usually by

A. Roasting

B. Smelting

C. Froth floatation

D. Electromagnetic separation

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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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Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc?

A. Sodium silicate

B. Sodium borate

C. Sodium tripolyphosphate (STPP)

D. Caustic soda

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Calcination of gypsum produces

A. Plaster of Paris

B. Salt cake

C. Nitre cake

D. Lime

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More than 100 percent of __________ is present in oleum.

A. SO₃

B. H₂SO₄

C. H₂SO₃

D. SO₂

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Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process?

A. NH3

B. NaCl

C. CaO

D. Coke

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Naphthols are derivates of

A. Methyl amine

B. Naphthalene

C. Phenol

D. Xylene

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Bitterns is a/an

A. Unsaturated fat

B. Starting material for the production of iodine

C. By-product of chlor-alkali industry

D. None of these

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Pick out the true statement pertaining to water treatment.

A. Slow sand filters can remove colour completely

B. Activated carbon can be used for taste & odour control without subsequent filtration

C. Application of activated carbon reduces the temporary hardness of water

D. Normally, the turbidity is removed by adding a coagulant prior to sedimentation

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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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The basic difference between vegetable oils and fats is in their

A. Density

B. Chemical properties

C. Physical state

D. Composition

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__________ is used as a flux in the smelting of copper ore like chalcopyrite.

A. Coke breeze

B. Lime powder

C. Silica/quartz

D. Dolomite

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Haemoglobin is a/an

A. Amino acid

B. Biological catalyst

C. Protein

D. Enzyme

Discuss this answer

CaCl(OCl) is the chemical formula of

A. Hypo

B. Bleaching powder

C. Plaster of Paris

D. Aqua regia

Discuss this answer

Accepted Answer

B. Wetting characteristics

Ore concentration by froth floatation utilises the __________ of ore particles.

Correct Answer :

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Linde process of gas liquefaction employs

Which is the most suitable dye for synthetic fibres?

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Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C.

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__________ acid is an unsaturated fatty acid.

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Which of the following processes does not produce Cl2 as a co-product during the manufacture of caustic soda?

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Concentration of sulphide ores is done usually by

The main product of high temperature carbonisation of coal is

Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc?

Calcination of gypsum produces

More than 100 percent of __________ is present in oleum.

Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process?

Naphthols are derivates of

Bitterns is a/an

Pick out the true statement pertaining to water treatment.

Zeolite is used in the

The basic difference between vegetable oils and fats is in their

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Haemoglobin is a/an

CaCl(OCl) is the chemical formula of

Also checkout

Ore concentration by froth floatation utilises the __________ of ore particles.

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Linde process of gas liquefaction employs

Which is the most suitable dye for synthetic fibres?

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

Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C.

Reverse osmosis is normally used for the

Penicillin, an antibiotic drug was discovered by

Which of the following fuel gases contains maximum amount of carbon monoxide?

Conversion of SO2 to SO3 in Monsanto 4-pass converter is about __________ percent.

Phthalic anhydride is made by the

In the Lurgi coal gasifier

Ca(OH)2 is called

__________ acid is an unsaturated fatty acid.

Pure rectified spirit contains about __________ percent alcohol.

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

Which of the following processes does not produce Cl2 as a co-product during the manufacture of caustic soda?

Carbon tetrachloride (CCl4) is the starting raw material for the manufacture of

Concentration of sulphide ores is done usually by

The main product of high temperature carbonisation of coal is

Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc?

Calcination of gypsum produces

More than 100 percent of __________ is present in oleum.

Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process?

Naphthols are derivates of

Bitterns is a/an

Pick out the true statement pertaining to water treatment.

Zeolite is used in the

The basic difference between vegetable oils and fats is in their

__________ is used as a flux in the smelting of copper ore like chalcopyrite.

Haemoglobin is a/an

CaCl(OCl) is the chemical formula of

Also checkout

Ca(OH)₂ is called

Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of