Hydrazine is used in water treatment for the removal of

Question

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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Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene). It is also called

A. Polyurethane

B. Silicone

C. Teflon

D. Epoxy resin

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The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by

A. Electrolysis

B. Electrolytic reduction

C. Electrolytic oxidation

D. None of these

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Fermentation is adversely affected by the

A. Presence of air

B. Absence of air

C. High concentration

D. Presence of ammonium salts

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Which of the following is not an abrasive material?

A. Bakelite

B. Pumice

C. Corundum

D. Carborundum

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Naphthols are derivates of

A. Methyl amine

B. Naphthalene

C. Phenol

D. Xylene

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Gun powder, which is an explosive comprises of charcoal, sulphur and

A. Glycerine

B. Salt petre

C. Nitro glycerine

D. Dynamite

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Which of the following is used as a binding material in soap to improve soap texture?

A. Rosin

B. Borax

C. Benzyl acetate

D. Sodium carbonate

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Proximate analysis of coal determines its __________ content.

A. Moisture, ash, sulphur & volatile matter

B. Moisture & volatile matter

C. Moisture, sulphur, nitrogen & fixed carbon

D. None of these

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Sucrose is a

A. Monosaccharide

B. Disaccharide

C. Polysaccharide

D. None of these

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Glauber's salt is chemically represented by

A. Na₂SO₄.10H₂O

B. CaCl(OCl)

C. CaSO₄.H₂O

D. (NH₄)₂SO₄

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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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Main constituents of Portland cement are calcium aluminate and

A. Gypsum

B. Silicates

C. Sodium silicate

D. Carbonates

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Catalytic oxidation of toluene produces

A. Styrene

B. Phenol

C. Benzene

D. Tri-nitro-toluene

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Acetone is produced by catalytic dehydrogenation of

A. Phenol

B. Naphthalene

C. Isopropanol

D. Ethyl benzene

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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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Acrylonitrile is mainly used in the __________ industry.

A. Polymer

B. Printing

C. Dyeing

D. Photographic

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The product obtained on mixing calcium oxide with water is called

A. Quicklime

B. Slaked lime

C. Milk of lime

D. None of these

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Low temperature carbonisation of coal takes place at __________ °C.

A. 300

B. 1100

C. 700

D. 900

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Oxidation of SO₂ to SO₃ is favoured by

A. Low temperature and low pressure

B. Low temperature and high pressure

C. High temperature and low pressure

D. High temperature and high pressure

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Riboflavin is a/an

A. Vitamin

B. Analgesic drug

C. Anaesthetics

D. Anti-malarial drug

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Oils are partially hydrogenated (not fully) to manufacture Vanaspati, because fully saturated solidified oils

A. Cause cholesterol build up and blood clotting

B. Are prone to rancid oxidation

C. Always contain some amount of nickel (as their complete removal is very difficult)

D. Have affinity to retain harmful sulphur compounds

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Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.

A. SO₃

B. Cl₂

C. NH₃

D. SO₂

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Permanent hardness of water can be removed by

A. Simply boiling

B. Adding alum

C. Passing it through cation & anion exchangers

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

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Paper pulp produced by Kraft/sulphate process is

A. Bleached easily

B. Dull white in color

C. Strong fibrous

D. Dark colored

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Frasch process is for

A. Making oxygen

B. Producing helium

C. Mining sulphur

D. Making nitrogen

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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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Plasticisers are added to paints to

A. Make it corrosion resistant

B. Make glossy surface

C. Give elasticity & prevent cracking of the film

D. Increase atmospheric oxidation

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__________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia.

A. Solvay

B. Ostwald's

C. Haber's

D. None of these

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The major use of butadiene is

A. As a plasticiser for unsaturated polyester

B. In the manufacture of synthetic rubber

C. As an anti-skinning agent in paint

D. None of these

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__________ paper is used in the manufacture of newsprint paper.

A. Ground-wood

B. Board

C. Tissue

D. Wrapping

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Accepted Answer

B. Dissolved oxygen

Hydrazine is used in water treatment for the removal of

Correct Answer :

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Related Questions

Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene). It is also called

The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by

Fermentation is adversely affected by the

Which of the following is not an abrasive material?

Naphthols are derivates of

Gun powder, which is an explosive comprises of charcoal, sulphur and

Which of the following is used as a binding material in soap to improve soap texture?

Proximate analysis of coal determines its __________ content.

Sucrose is a

Glauber's salt is chemically represented by

In the Lurgi coal gasifier

Main constituents of Portland cement are calcium aluminate and

Catalytic oxidation of toluene produces

Acetone is produced by catalytic dehydrogenation of

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

Acrylonitrile is mainly used in the __________ industry.

The product obtained on mixing calcium oxide with water is called

Low temperature carbonisation of coal takes place at __________ °C.

Oxidation of SO₂ to SO₃ is favoured by

Riboflavin is a/an

Oils are partially hydrogenated (not fully) to manufacture Vanaspati, because fully saturated solidified oils

Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.

Permanent hardness of water can be removed by

Paper pulp produced by Kraft/sulphate process is

Frasch process is for

Styrene is produced from ethyl benzene by the process of

Plasticisers are added to paints to

__________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia.

The major use of butadiene is

__________ paper is used in the manufacture of newsprint paper.

Also checkout

Hydrazine is used in water treatment for the removal of

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene). It is also called

The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by

Fermentation is adversely affected by the

Which of the following is not an abrasive material?

Naphthols are derivates of

Gun powder, which is an explosive comprises of charcoal, sulphur and

Which of the following is used as a binding material in soap to improve soap texture?

Proximate analysis of coal determines its __________ content.

Sucrose is a

Glauber's salt is chemically represented by

In the Lurgi coal gasifier

Main constituents of Portland cement are calcium aluminate and

Catalytic oxidation of toluene produces

Acetone is produced by catalytic dehydrogenation of

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

Acrylonitrile is mainly used in the __________ industry.

The product obtained on mixing calcium oxide with water is called

Low temperature carbonisation of coal takes place at __________ °C.

Oxidation of SO2 to SO3 is favoured by

Riboflavin is a/an

Oils are partially hydrogenated (not fully) to manufacture Vanaspati, because fully saturated solidified oils

Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.

Permanent hardness of water can be removed by

Paper pulp produced by Kraft/sulphate process is

Frasch process is for

Styrene is produced from ethyl benzene by the process of

Plasticisers are added to paints to

__________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia.

The major use of butadiene is

__________ paper is used in the manufacture of newsprint paper.

Also checkout

Oxidation of SO₂ to SO₃ is favoured by