The main use of HCl is in the

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The main use of HCl is in the

A. Drilling of petroleum wells and pickling of steel sheets

B. Manufacture of cationic detergent

C. Treatment of spent fuel of nuclear reactor

D. None of these

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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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Major component of flint glass is

A. Lead oxide

B. Silica

C. Alumina

D. Soda

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Oxygen is produced by fractionation of air using __________ process.

A. Linde's

B. Claude's

C. Either (A) or (B)

D. None of these

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Inversion of sucrose produces

A. Fructose

B. Glucose

C. Both (A) & (B)

D. Neither (A) nor (B)

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Solvent used for extraction of oil is

A. Hexane

B. Methyl ethyl ketone

C. Furfural

D. None of these

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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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Which one of the following is not likely to be a constituent of vegetable oils?

A. Citric acid

B. Oleic acid

C. Stearic acid

D. Glycerol

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Hydrazine is used in water treatment for the removal of

A. Colloidal impurities

B. Dissolved oxygen

C. Turbidity

D. Chlorinous taste

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Electric bulbs are made of __________ glass.

A. Jena

B. Flint

C. Crookes

D. Pyrex

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Main product in calcium carbide-water reaction is

A. Ca(OH)₂

B. C₂H₂

C. CO₂

D. CaCO₃

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Varnish does not contain

A. Pigment

B. Thinner

C. Dryer

D. Anti-skimming agent

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Portland cement consists mainly of

A. CaO & SiO₂

B. SiO₂ & Al₂O₃

C. CaO & Al₂O₃

D. CaO & Fe₂O₃

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In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst

A. Gives higher conversion efficiency

B. Has a longer life and is not poisoned by arsenic

C. Handles lower SO2 content gas (7 -10% SO₂), thus increasing the capital cost of the plant

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

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Solvent extracted oil

A. Has low free fatty acid content

B. Is odourless

C. Has more of unsaturates

D. None of these

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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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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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Pick out the wrong statement. Iodine value of an oil or fat is

A. The number of grams of iodine taken up by 100 gm of oil or fat

B. A measure of its unsaturation

C. Helpful in findings its adulteration & its suitability for making soap

D. Independent of the type of oil, whether it is drying or non-drying

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Raw materials for 'Solvay Process' for manufacture of the soda ash are

A. Salt, limestone and coke or gas

B. Ammonia, salt and limestone

C. Ammonia limestone and coke

D. None of these

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Molecular weight of plastics ranges from

A. 5000 to 10000

B. 20000 to 250000

C. 500 to 5000

D. 106 to 109

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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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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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Temporary hardness of water can be removed by

A. Addition of alum (a coagulant)

B. Boiling

C. Filtration (through gravity sand filter)

D. Addition of lime

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Use of chlorine in the treatment of sewage

A. Helps in grease separation

B. Increases the biological oxygen demand (BOD)

C. Causes bulking of activated sludge

D. Aids in flocculation

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Vulcanisation of rubber

A. Decreases its tensile strength

B. Increases its ozone & oxygen reactivity

C. Increases its oil & solvent resistance

D. Converts its plasticity into elasticity

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__________ of quicklime produces slaked lime.

A. Hydration

B. Dehydration

C. Hydrogenation

D. None of these

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Cement mainly contains

A. CaO, SiO₂, Al₂O₃

B. MgO, SiO₂, K₂O

C. Al₂O₃, MgO, Fe₂O₃

D. CaO, MgO, K₂O

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Fusion of bauxite and __________ produces high alumina cement.

A. Alum

B. Limestone

C. Coke

D. Quartz

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CaSO4 . ½H₂O is known as

A. Blue vitriol

B. Plaster of Paris

C. Gypsum

D. Zeolite

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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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Presence of H₂S in raw water (to be chlorinated) results in the

A. Reduced softening capacity of zeolite

B. Increased dosage of chlorine to provide a disinfecting residual in the water

C. Easy removal of its hardness

D. None of these

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Accepted Answer

A. Drilling of petroleum wells and pickling of steel sheets

The main use of HCl is in the

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Use of hydrated lime in water treatment

Major component of flint glass is

Oxygen is produced by fractionation of air using __________ process.

Inversion of sucrose produces

Solvent used for extraction of oil is

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

Which one of the following is not likely to be a constituent of vegetable oils?

Hydrazine is used in water treatment for the removal of

Electric bulbs are made of __________ glass.

Main product in calcium carbide-water reaction is

Varnish does not contain

Portland cement consists mainly of

In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst

Solvent extracted oil

Wet chlorine gas produced during electrolysis of brine is dehydrated by

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

Pick out the wrong statement. Iodine value of an oil or fat is

Raw materials for 'Solvay Process' for manufacture of the soda ash are

Molecular weight of plastics ranges from

Bitterns is a/an

Mannheim furnace is used in the manufacture of

Temporary hardness of water can be removed by

Use of chlorine in the treatment of sewage

Vulcanisation of rubber

__________ of quicklime produces slaked lime.

Cement mainly contains

Fusion of bauxite and __________ produces high alumina cement.

CaSO4 . ½H₂O is known as

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

Presence of H₂S in raw water (to be chlorinated) results in the

Also checkout

The main use of HCl is in the

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Use of hydrated lime in water treatment

Major component of flint glass is

Oxygen is produced by fractionation of air using __________ process.

Inversion of sucrose produces

Solvent used for extraction of oil is

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

Which one of the following is not likely to be a constituent of vegetable oils?

Hydrazine is used in water treatment for the removal of

Electric bulbs are made of __________ glass.

Main product in calcium carbide-water reaction is

Varnish does not contain

Portland cement consists mainly of

In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst

Solvent extracted oil

Wet chlorine gas produced during electrolysis of brine is dehydrated by

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

Pick out the wrong statement. Iodine value of an oil or fat is

Raw materials for 'Solvay Process' for manufacture of the soda ash are

Molecular weight of plastics ranges from

Bitterns is a/an

Mannheim furnace is used in the manufacture of

Temporary hardness of water can be removed by

Use of chlorine in the treatment of sewage

Vulcanisation of rubber

__________ of quicklime produces slaked lime.

Cement mainly contains

Fusion of bauxite and __________ produces high alumina cement.

CaSO4 . ½H2O is known as

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

Presence of H2S in raw water (to be chlorinated) results in the

Also checkout

In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst

CaSO4 . ½H₂O is known as

Presence of H₂S in raw water (to be chlorinated) results in the