Reverse osmosis is normally used for the

Question

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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Superior quality laboratory apparatus is made of the __________ glass having low thermal coefficient of expansion & high chemical resistance.

A. Flint

B. Soda

C. Pyrex

D. Potash

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For the hydrogenation of oils, (i) is commonly used as catalyst and (ii) is a catalyst poison.

A. (i) platinum (ii) sulphur

B. (i) palladium (ii) oxygen

C. (i) nickel (ii) sulphur

D. (i) nickel (ii) oxygen

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Pick out the wrong statement.

A. Cold rubber (SBR) is superior as compared to hot rubber (SBR)

B. Polymerisation temperature can modify the properties of SBR

C. Production of cold SBR employs lower pressure as compared to that of hot SBR

D. None of these

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Yeast is used in the manufacture of

A. Penicillin

B. Antibiotics

C. Wine

D. Pasteurised milk

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Pick out the endothermic reaction out of the following.

A. C+ ½O₂ = CO

B. CO + 3H₂ = CH₄ + H₂O

C. CaCO₃ = CaO + CO₂

D. CO + ½O₂ = CO₂

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Basic oxide is absent in __________ glass.

A. Flint

B. Pyrex

C. Quartz

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

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Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on

A. Slaked lime

B. Soda lime

C. Calcium perchlorate

D. None of these

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In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed:

A. Furnace → converter → absorber

B. Furnace → evaporator → absorber

C. Furnace → converter → evaporator

D. Converter → furnace → absorber

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Enzymes are

A. Proteins with high molecular weight (around 10,000)

B. Derived from living organisms

C. Catalyst for temperature sensitive reactions

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

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Which is a high grade pulp?

A. Rag pulp

B. Mechanical pulp

C. Sulphate pulp

D. Sulphite pulp

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Pick out the wrong statement.

A. Catalytic hydrogenation of carbon monoxide produces methyl alcohol

B. In nylon-6, the number 6 represents the total number of carbon atoms in the ring

C. Raw materials for DDT manufacture are benzene and chlorine

D. Ethanolamines are produced by using ammonia and ethylene oxide as raw material

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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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Flash point of most vegetable oils is about __________ °C.

A. 50

B. 100

C. 200

D. 300

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Lurgi coal gasifier is a pressurised __________ bed reactor.

A. Moving

B. Fixed

C. Fluidised

D. Entrained

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Magnesium and calcium __________ cause temporary hardness of water.

A. Carbonates

B. Bicarbonates

C. Phosphates

D. Sulphates

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Poly Vinyl Chloride (P.V.C.) is a __________ material.

A. Thermosetting

B. Thermoplastic

C. Fibrous

D. Chemically active

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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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Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used

A. As a lubricant

B. As a rust preventive

C. In hard water for cleaning of cloth

D. As a foam depressant in distillation column

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Grignard reagent is chemically known as

A. Ethyl magnesium chloride

B. Methyl magnesium chloride

C. Dichlorophenol

D. Monochloroacetic acid

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Phosphate rock is a raw material for the manufacture of

A. Phosphoric acid

B. Phosphorous

C. Superphosphates

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

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Bakelite is

A. Same as Polytetrafluoroethylene (PTFE)

B. An inorganic polymer

C. Same as thermosetting phenol-formaldehyde

D. Not a polymer

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Analgesic drugs are

A. Pain relievers

B. Antibiotics

C. Used in the treatment of T.B.

D. Used in the treatment of typhoid

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Aryl benzene sulphonate (ABS) is a

A. Detergent

B. Plasticiser for unsaturated polyester

C. Starting material for the synthesis of glycerine

D. Coating ingredient for photographic film

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Which of the following is not a raw material used for the manufacture of ordinary glass?

A. Iron oxide

B. Soda ash

C. Limestone

D. Silica

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Which of the following, when pyrolysed, produces Perchloroethylene?

A. Ethylene dichloride

B. Chlorobenzene

C. Carbon tetrachloride

D. Chlorinated paraffin

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Saponification value/number of an oil or fat is a measure of its

A. Fatty acid content

B. Degree of unsaturation of the fatty acids present in it

C. Average molecular weight

D. Insoluble fatty acid content

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Coagulant is used __________ filtration.

A. Before

B. After

C. During

D. To avoid

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Dry ice (solidified CO₂) is used for the

A. Storage & shipment of frozen foods and ice-creams

B. Liquefaction of permanent gases

C. Liquefaction of natural gas

D. None of these

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Transparent soaps (e.g. Pears) are

A. Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and finally washed with methylated spirit to achieve transparency

B. Metallic soaps with frothing agent and free Stearic acid to achieve transparency

C. Metallic soaps with frothing agent from which glycerine has not been recovered

D. None of these

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Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

A. Xanthates

B. Stearic acid

C. Calcium & aluminium stearate

D. Formic acid

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Accepted Answer

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

Reverse osmosis is normally used for the

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Superior quality laboratory apparatus is made of the __________ glass having low thermal coefficient of expansion & high chemical resistance.

For the hydrogenation of oils, (i) is commonly used as catalyst and (ii) is a catalyst poison.

Pick out the wrong statement.

Yeast is used in the manufacture of

Pick out the endothermic reaction out of the following.

Basic oxide is absent in __________ glass.

Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on

In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed:

Enzymes are

Which is a high grade pulp?

Pick out the wrong statement.

Paper pulp produced by Kraft/sulphate process is

Flash point of most vegetable oils is about __________ °C.

Lurgi coal gasifier is a pressurised __________ bed reactor.

Magnesium and calcium __________ cause temporary hardness of water.

Poly Vinyl Chloride (P.V.C.) is a __________ material.

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

Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used

Grignard reagent is chemically known as

Phosphate rock is a raw material for the manufacture of

Bakelite is

Analgesic drugs are

Aryl benzene sulphonate (ABS) is a

Which of the following is not a raw material used for the manufacture of ordinary glass?

Which of the following, when pyrolysed, produces Perchloroethylene?

Saponification value/number of an oil or fat is a measure of its

Coagulant is used __________ filtration.

Dry ice (solidified CO₂) is used for the

Transparent soaps (e.g. Pears) are

Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

Also checkout

Reverse osmosis is normally used for the

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Superior quality laboratory apparatus is made of the __________ glass having low thermal coefficient of expansion & high chemical resistance.

For the hydrogenation of oils, __________ (i) __________ is commonly used as catalyst and __________ (ii) __________ is a catalyst poison.

Pick out the wrong statement.

Yeast is used in the manufacture of

Pick out the endothermic reaction out of the following.

Basic oxide is absent in __________ glass.

Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on

In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed:

Enzymes are

Which is a high grade pulp?

Pick out the wrong statement.

Paper pulp produced by Kraft/sulphate process is

Flash point of most vegetable oils is about __________ °C.

Lurgi coal gasifier is a pressurised __________ bed reactor.

Magnesium and calcium __________ cause temporary hardness of water.

Poly Vinyl Chloride (P.V.C.) is a __________ material.

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

Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used

Grignard reagent is chemically known as

Phosphate rock is a raw material for the manufacture of

Bakelite is

Analgesic drugs are

Aryl benzene sulphonate (ABS) is a

Which of the following is not a raw material used for the manufacture of ordinary glass?

Which of the following, when pyrolysed, produces Perchloroethylene?

Saponification value/number of an oil or fat is a measure of its

Coagulant is used __________ filtration.

Dry ice (solidified CO2) is used for the

Transparent soaps (e.g. Pears) are

Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

Also checkout

For the hydrogenation of oils, (i) is commonly used as catalyst and (ii) is a catalyst poison.

Dry ice (solidified CO₂) is used for the