Very fine suspended and colloidal impurities are removed from water by a process called

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Very fine suspended and colloidal impurities are removed from water by a process called

A. Sedimentation

B. Coagulation

C. Disinfection

D. Softening

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__________ is an ore of lead.

A. Quartz

B. Galena

C. Siderite

D. Chalcopyrite

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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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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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Sea water contains about __________ ppm of bromine.

A. 5

B. 70

C. 500

D. 1700

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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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99.5% purity oxygen is used in

A. Cutting and welding by oxy-acetylene flame

B. Hospitals for medicinal purposes

C. Gas masks and artificial breathing apparatus

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

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Industrial production of chloroform requires acetone and

A. Phosgene

B. Calcium hypochlorite

C. Chlorine

D. Ammonium chloride

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Drinking (potable) water treatment does not involve

A. Coagulation

B. Sedimentation

C. Softening

D. Disinfection

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CaCl(OCl) is the chemical formula of

A. Hypo

B. Bleaching powder

C. Plaster of Paris

D. Aqua regia

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Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about

A. 0.1 to 0.5

B. 1 to 5

C. 5 to 10

D. 15 to 25

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Silicon carbide is a/an

A. Adhesive

B. Abrasive

C. Type of glass

D. Brittle material

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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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Pick out the wrong statement.

A. Low intensity explosives are also called propellants, whereas high intensity explosive are called detonators

B. Gun powder comprises of 75% salt petre, 15% charcoal and 10% sulphur

C. Lead azide is a popular military explosive

D. TNT is a hygroscopic explosive having very high melting point and is non-toxic to human being

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Hydrolysis of sugar is called

A. Hydration

B. Inversion

C. Esterification

D. None of these

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Acetone is produced by catalytic dehydrogenation of

A. Phenol

B. Naphthalene

C. Isopropanol

D. Ethyl benzene

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During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to

A. Increase the rate of absorption

B. Avoid corrosion

C. Reduce the cooling water circulation rate

D. None of these

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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

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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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Gun powder uses

A. Sulphur

B. Charcoal

C. Potassium nitrate

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

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A bio-catalyst produced by living cells which acts independent of the cell is called a/an

A. Substrate

B. Enzyme

C. Nutrient

D. None of these

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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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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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Chalcopyrite is the main ore of

A. Copper

B. Lead

C. Tin

D. Iron

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Which of the following is not produced on commercial scale from sea water?

A. Bromine

B. Magnesium compounds

C. Potassium compounds

D. Sodium sulphate

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Pick out the wrong statement.

A. Dry process is used for the manufacture of cement, when the raw material is blast furnace slag

B. Portland cement is made employing wet process

C. Gypsum is added to Portland cement to lengthen its setting time

D. None of these

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The process used for the manufacture of ethyl alcohol from molasses is

A. Distillation

B. Dehydration

C. Dehydrogenation

D. None of these

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Multistage catalytic converter is not used in the

A. Conversion of SO2 to SO3

B. NH3 synthesis reaction

C. Both (A) and (B)

D. Neither (A) nor (B)

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Nylon-6 is manufactured from

A. Caprolactam

B. Hexamethylene diamine and adipic acid

C. Hexamethylene diamine and Maleic anhydride

D. Hexamethylene diamine and Sebacic acid

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Starting material for the commercial production of ethyl alcohol in India is

A. Rice

B. Molasses

C. Fruit of Mahua tree

D. Maize

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Which of the following is an organometallic compound?

A. Isopropyl alcohol

B. Tetra-ethyl lead

C. Zeolite

D. Cumene

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Accepted Answer

B. Coagulation

Very fine suspended and colloidal impurities are removed from water by a process called

Correct Answer :

Show all Chemical Process MCQ

Related Questions

__________ is an ore of lead.

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

Oxygen is produced by fractionation of air using __________ process.

Sea water contains about __________ ppm of bromine.

Reverse osmosis is normally used for the

99.5% purity oxygen is used in

Industrial production of chloroform requires acetone and

Drinking (potable) water treatment does not involve

CaCl(OCl) is the chemical formula of

Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about

Silicon carbide is a/an

Hydrazine is used in water treatment for the removal of

Pick out the wrong statement.

Hydrolysis of sugar is called

Acetone is produced by catalytic dehydrogenation of

During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to

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

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

Gun powder uses

A bio-catalyst produced by living cells which acts independent of the cell is called a/an

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

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

Chalcopyrite is the main ore of

Which of the following is not produced on commercial scale from sea water?

Pick out the wrong statement.

The process used for the manufacture of ethyl alcohol from molasses is

Multistage catalytic converter is not used in the

Nylon-6 is manufactured from

Starting material for the commercial production of ethyl alcohol in India is

Which of the following is an organometallic compound?

Also checkout

Very fine suspended and colloidal impurities are removed from water by a process called

Correct Answer :

Show all Chemical Process MCQ

Related Questions

__________ is an ore of lead.

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

Oxygen is produced by fractionation of air using __________ process.

Sea water contains about __________ ppm of bromine.

Reverse osmosis is normally used for the

99.5% purity oxygen is used in

Industrial production of chloroform requires acetone and

Drinking (potable) water treatment does not involve

CaCl(OCl) is the chemical formula of

Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about

Silicon carbide is a/an

Hydrazine is used in water treatment for the removal of

Pick out the wrong statement.

Hydrolysis of sugar is called

Acetone is produced by catalytic dehydrogenation of

During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to

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

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

Gun powder uses

A bio-catalyst produced by living cells which acts independent of the cell is called a/an

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

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

Chalcopyrite is the main ore of

Which of the following is not produced on commercial scale from sea water?

Pick out the wrong statement.

The process used for the manufacture of ethyl alcohol from molasses is

Multistage catalytic converter is not used in the

Nylon-6 is manufactured from

Starting material for the commercial production of ethyl alcohol in India is

Which of the following is an organometallic compound?

Also checkout

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