Use of chlorine in the treatment of sewage

Question

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

Share this question with your friends

Show all Chemical Process MCQ

Comment

Penicillin, an antibiotic drug was discovered by

A. Alexander

B. Flaming

C. Doctor Zhivago

D. None of these

Discuss this answer

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

Discuss this answer

The biochemical treatment applied to sewage effluents is a process of

A. Dehydration

B. Reduction

C. Oxidation

D. Polymerisation

Discuss this answer

Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an

A. Explosive

B. Soap

C. Detergent

D. Analgesic drug

Discuss this answer

Catalytic oxidation of toluene produces

A. Styrene

B. Phenol

C. Benzene

D. Tri-nitro-toluene

Discuss this answer

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

Discuss this answer

Pick out the wrong statement.

A. Azoic dyes are mostly applied on cotton fabrics

B. Basic dyes (e.g. amino derivatives) are applied mostly to paper

C. Mordant dyes are applied mainly to wools

D. None of these

Discuss this answer

A substance produced by a living organism and capable of anti-microbial activity is called a/an

A. Antibiotic

B. Antiseptic

C. Disinfectant

D. None of these

Discuss this answer

Higher viscosity index of a lubricating oil denotes

A. Less changes in fluidity of oil with temperature

B. Substantially high change in fluidity of oil with temperature

C. Its unsuitability under varying temperature conditions

D. None of these

Discuss this answer

L.D. converter is used in the production of

A. Pig iron

B. Steel

C. Copper

D. Zinc

Discuss this answer

Salt is added in the kettle during soap manufacture to separate

A. Soap from lye

B. Glycerine from lye

C. The metallic soap

D. The unsaponified fat from soap

Discuss this answer

The terminology 'BTX' used in coal tar distillation industry refers to

A. Benzol-toluol-xylol

B. Benzol-toluene-xylene

C. Benzene-toluol-xylol

D. Benzene-toluene-xylene

Discuss this answer

Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.

A. 10

B. 25

C. 50

D. 98

Discuss this answer

Thermosetting plastic materials

A. Can be repeatedly melted

B. Is useful for melt casting

C. Cannot be melted after forming

D. Is useful for spinning

Discuss this answer

Glycerine is not used in the

A. Manufacture of explosive

B. Conditioning and humidification of tobacco

C. Manufacture of pharmaceuticals

D. None of these

Discuss this answer

Type of glass used in optical work is the __________ glass.

A. Soda-lime

B. Fibre

C. Lead

D. Borosilicate

Discuss this answer

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

A. Coke breeze

B. Lime powder

C. Silica/quartz

D. Dolomite

Discuss this answer

Low purity oxygen is used for

A. L.D. steel making

B. Cutting and welding of metals

C. Medicinal purposes

D. Chemical oxidation processes

Discuss this answer

Paper pulp produced by Kraft/sulphate process is

A. Bleached easily

B. Dull white in color

C. Strong fibrous

D. Dark colored

Discuss this answer

The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.

A. 800

B. 1600

C. 4000

D. 8500

Discuss this answer

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

Discuss this answer

A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).

A. 1

B. 10

C. 25

D. 40

Discuss this answer

Blue colour is imparted to glass by the addition of

A. FeSO₄

B. PbO

C. CaO

D. NaOH

Discuss this answer

CaSO4 . ½H₂O is known as

A. Blue vitriol

B. Plaster of Paris

C. Gypsum

D. Zeolite

Discuss this answer

Sodium chloride content in sea water is about __________ gms/litre.

A. 2

B. 10

C. 25

D. 50

Discuss this answer

In an integrated steel plant, NH3 present in coke oven gas is normally recovered as

A. (NH₄)₂SO₄

B. NH₄Cl

C. (NH₄)₂ NO₃

D. Liquid NH₃

Discuss this answer

Pick out the wrong statement.

A. Hard glass which is used for making laboratory glass wares is a mixture of sodium borosilicate and aluminium borosilicate

B. Glass is decolorized during its manufacture by adding antimony oxide, manganese dioxide or arsenic oxide

C. Ordinary glass is represented chemically by Na₂O . CaO . 6SiO₂

D. Red color is imparted to glass by addition of arsenic oxide

Discuss this answer

Penicillin is separated from fermented broth by

A. Extraction with amyl or butyl acetate

B. Ternary Azeotropic distillation

C. Evaporator in calandria

D. Extractive distillation

Discuss this answer

Zeigler process

A. Produces high density polyethylene

B. Produces low density polyethylene

C. Uses no catalyst

D. Employs very high pressure

Discuss this answer

Pick out the false statement pertaining to water treatment.

A. Aeration of water is effective in CO2 removal

B. The zeolite water softening process reduces the hardness of water by not more than 50%

C. Sodium sulphate or sodium carbonate do not cause hardness in water

D. Water with pH value less than 7, is acidic

Discuss this answer

Accepted Answer

A. Helps in grease separation

Use of chlorine in the treatment of sewage

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Penicillin, an antibiotic drug was discovered by

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

The biochemical treatment applied to sewage effluents is a process of

Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an

Catalytic oxidation of toluene produces

Bitterns is a/an

Pick out the wrong statement.

A substance produced by a living organism and capable of anti-microbial activity is called a/an

Higher viscosity index of a lubricating oil denotes

L.D. converter is used in the production of

Salt is added in the kettle during soap manufacture to separate

The terminology 'BTX' used in coal tar distillation industry refers to

Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.

Thermosetting plastic materials

Glycerine is not used in the

Type of glass used in optical work is the __________ glass.

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

Low purity oxygen is used for

Paper pulp produced by Kraft/sulphate process is

The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.

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

A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).

Blue colour is imparted to glass by the addition of

CaSO4 . ½H₂O is known as

Sodium chloride content in sea water is about __________ gms/litre.

In an integrated steel plant, NH3 present in coke oven gas is normally recovered as

Pick out the wrong statement.

Penicillin is separated from fermented broth by

Zeigler process

Pick out the false statement pertaining to water treatment.

Also checkout

Use of chlorine in the treatment of sewage

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Penicillin, an antibiotic drug was discovered by

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

The biochemical treatment applied to sewage effluents is a process of

Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an

Catalytic oxidation of toluene produces

Bitterns is a/an

Pick out the wrong statement.

A substance produced by a living organism and capable of anti-microbial activity is called a/an

Higher viscosity index of a lubricating oil denotes

L.D. converter is used in the production of

Salt is added in the kettle during soap manufacture to separate

The terminology 'BTX' used in coal tar distillation industry refers to

Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.

Thermosetting plastic materials

Glycerine is not used in the

Type of glass used in optical work is the __________ glass.

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

Low purity oxygen is used for

Paper pulp produced by Kraft/sulphate process is

The compressive strength of cement should not be less than about 110Kg/cm2 after three days & not less than 170Kg/cm2 after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm2/gm.

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

A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).

Blue colour is imparted to glass by the addition of

CaSO4 . ½H2O is known as

Sodium chloride content in sea water is about __________ gms/litre.

In an integrated steel plant, NH3 present in coke oven gas is normally recovered as

Pick out the wrong statement.

Penicillin is separated from fermented broth by

Zeigler process

Pick out the false statement pertaining to water treatment.

Also checkout

The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.

CaSO4 . ½H₂O is known as